TREA

ABUS Aug. Bremicker Sohne KG

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  • Wetter, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Key blank and key for actuating a disk cylinder and method of manuf...
    • Patent number 11,988,017
    • Issue date May 21, 2024
    • ABUS August Bremicker Sohne KG
    • Frank Wunderlich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Mobile electronic lock
    • Patent number 11,959,309
    • Issue date Apr 16, 2024
    • ABUS August Bremicker Sohne KG
    • Manuel Banse
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Portable electronic lock
    • Patent number 11,927,031
    • Issue date Mar 12, 2024
    • ABUS August Bremicker Sohne KG
    • Manuel Cornelius Neveling
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock body
    • Patent number D1013484
    • Issue date Feb 6, 2024
    • ABUS AUGUST BREMICKER SOHNE KG
    • Marcus Kuchler
    • D08 - Tools and hardware
  • Information Patent Grant

    Horse riding helmet
    • Patent number D1006334
    • Issue date Nov 28, 2023
    • ABUS AUGUST BREMICKER SOHNE KG
    • Astrid Quandt
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Cylinder lock
    • Patent number 11,795,728
    • Issue date Oct 24, 2023
    • ABUS August Bremicker Sohne KG
    • Eduard Buchmüller
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Horse riding helmet
    • Patent number D998757
    • Issue date Sep 12, 2023
    • ABUS August Bremicker Sohne KG
    • Astrid Quandt
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Ring hoop padlock and assembly method
    • Patent number 11,732,509
    • Issue date Aug 22, 2023
    • ABUS August Bremicker Sohne KG
    • Martin Hommel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Joint lock
    • Patent number 11,585,119
    • Issue date Feb 21, 2023
    • ABUS August Bremicker Sohne KG
    • Christian Drechsel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Holder for locks
    • Patent number D974873
    • Issue date Jan 10, 2023
    • ABUS August Bremicker Söhne KG
    • Marcus Kuchler
    • D08 - Tools and hardware
  • Information Patent Grant

    Lock
    • Patent number D974872
    • Issue date Jan 10, 2023
    • ABUS August Bremicker Söhne KG
    • Matthias Ocklenburg
    • D08 - Tools and hardware
  • Information Patent Grant

    Lockout box
    • Patent number 11,459,152
    • Issue date Oct 4, 2022
    • ABUS August Bremicker Sohne KG
    • Bettina Riepe
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Circuit breaker lockout apparatus
    • Patent number 11,456,125
    • Issue date Sep 27, 2022
    • ABUS August Bremicker Sohne KG
    • Thomas Lind
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Two-wheeler lock having an alarm function
    • Patent number 11,447,976
    • Issue date Sep 20, 2022
    • ABUS August Bremicker Sohne KG
    • Ernst Pankratius
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Two-wheeler lock
    • Patent number 11,414,894
    • Issue date Aug 16, 2022
    • ABUS August Bremicker Sohne KG
    • Marvin Müller
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock
    • Patent number 11,299,916
    • Issue date Apr 12, 2022
    • ABUS August Bremicker Sohne KG
    • Andreas Hentschel
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Battery lock for an electric vehicle
    • Patent number 11,235,838
    • Issue date Feb 1, 2022
    • ABUS August Bremicker Sohne KG
    • Stefan Heinemann
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Helmet having an evaporation cooler
    • Patent number 11,191,315
    • Issue date Dec 7, 2021
    • ABUS August Bremicker Sohne KG
    • Marc Von Dunten
    • A42 - HEADWEAR
  • Information Patent Grant

    Lock
    • Patent number D927961
    • Issue date Aug 17, 2021
    • ABUS August Bremicker Sohne KG
    • Christian Drechsel
    • D08 - Tools and hardware
  • Information Patent Grant

    Padlock
    • Patent number D925337
    • Issue date Jul 20, 2021
    • ABUS August Bremicker Sohne KG
    • Guido Jan Wortmann
    • D08 - Tools and hardware
  • Information Patent Grant

    Circuit breaker lockout apparatus
    • Patent number 11,004,624
    • Issue date May 11, 2021
    • ABUS August Bremicker Sohne KG
    • Bettina Riepe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bicycle helmet
    • Patent number D915679
    • Issue date Apr 6, 2021
    • ABUS August Bremicker Sohne KG
    • Matthias Ocklenburg
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Electronic two-wheeler lock
    • Patent number 10,946,915
    • Issue date Mar 16, 2021
    • ABUS August Bremicker Sohne KG
    • Christian Prellwitz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lock
    • Patent number D907459
    • Issue date Jan 12, 2021
    • ABUS August Bremicker Söhne KG
    • Matthias Ocklenburg
    • D08 - Tools and hardware
  • Information Patent Grant

    Bicycle helmet
    • Patent number D903946
    • Issue date Dec 1, 2020
    • ABUS August Bremicker Sohne KG
    • Carsten Pietruck
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Bicycle helmet
    • Patent number D903947
    • Issue date Dec 1, 2020
    • ABUS August Bremicker Sohne KG
    • Carsten Pietruck
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Helmet
    • Patent number D903201
    • Issue date Nov 24, 2020
    • ABUS August Bremicker Sohne KG
    • Carsten Pietruck
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Helmet
    • Patent number D903202
    • Issue date Nov 24, 2020
    • ABUS August Bremicker Sohne KG
    • Carsten Pietruck
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Padlock
    • Patent number D902008
    • Issue date Nov 17, 2020
    • ABUS August Bremicker Sohne KG
    • Wai Kuen Fan
    • D08 - Tools and hardware
  • Information Patent Grant

    Lock
    • Patent number D896611
    • Issue date Sep 22, 2020
    • ABUS August Bremicker Sohne KG
    • Matthias Ocklenburg
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    TWO-WHEELER LOCK
    • Publication number 20240101204
    • Publication date Mar 28, 2024
    • ABUS August Bremicker Söhne KG
    • Stefan Heinemann
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    PADLOCK WITH REPLACEABLE LOCK HOOP
    • Publication number 20240044178
    • Publication date Feb 8, 2024
    • ABUS August Bremicker Sohne KG
    • Wai Kuen FAN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LINER
    • Publication number 20240016250
    • Publication date Jan 18, 2024
    • ABUS August Bremicker Sohne KG
    • Marc VON DUNTEN
    • A42 - HEADWEAR
  • Information Patent Application

    STORAGE APPARATUS
    • Publication number 20240010289
    • Publication date Jan 11, 2024
    • ABUS August Bremicker Sohne KG
    • Stefan HEINEMANN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    CHAIN LOCK AND CHAIN FOR A CHAIN LOCK
    • Publication number 20230417082
    • Publication date Dec 28, 2023
    • ABUS August Bremicker Sohne KG
    • Ernst Pankratius
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    PADLOCK BASIC ASSEMBLY KIT AND PADLOCK SYSTEM
    • Publication number 20230366242
    • Publication date Nov 16, 2023
    • ABUS August Bremicker Sohne KG
    • Wai Kuen FAN
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    CHAIN LOCK
    • Publication number 20230304328
    • Publication date Sep 28, 2023
    • ABUS August Bremicker Sohne KG
    • Ernst PANKRATIUS
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    BOLT LOCK
    • Publication number 20230243188
    • Publication date Aug 3, 2023
    • ABUS August Bremicker Sohne KG
    • Werner J. KAISER
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SPORTS HELMET
    • Publication number 20230157399
    • Publication date May 25, 2023
    • ABUS August Bremicker Söhne KG
    • Joachim RAO
    • A42 - HEADWEAR
  • Information Patent Application

    HOOP LOCK
    • Publication number 20230095874
    • Publication date Mar 30, 2023
    • ABUS August Bremicker Sohne KG
    • Manuel BANSE
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK
    • Publication number 20230101669
    • Publication date Mar 30, 2023
    • ABUS August Bremicker Sohne KG
    • Manuel Banse
    • G07 - CHECKING-DEVICES
  • Information Patent Application

    FRAME LOCK
    • Publication number 20230072909
    • Publication date Mar 9, 2023
    • ABUS August Bremicker Sohne KG
    • Bernd WEIERSHAUSEN
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    LOCK
    • Publication number 20230061981
    • Publication date Mar 2, 2023
    • ABUS August Bremicker Sohne KG
    • Manuel BANSE
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    ELECTROMECHANICAL LOCK
    • Publication number 20230064198
    • Publication date Mar 2, 2023
    • ABUS August Bremicker Sohne KG
    • Michel WEHR
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    BRAKE DISK LOCK
    • Publication number 20220396325
    • Publication date Dec 15, 2022
    • ABUS August Bremicker Sohne KG
    • Martin HOMMEL
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    FRAME LOCK
    • Publication number 20220379985
    • Publication date Dec 1, 2022
    • ABUS August Bremicker Sohne KG
    • Thomas MÜLLER
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    MOBILE ELECTRONIC LOCK
    • Publication number 20220282527
    • Publication date Sep 8, 2022
    • ABUS August Bremicker Söhne KG
    • Manuel BANSE
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    PORTABLE U-LOCK
    • Publication number 20220251877
    • Publication date Aug 11, 2022
    • ABUS August Bremicker Sohne KG
    • Michel WEHR
    • G08 - SIGNALLING
  • Information Patent Application

    MOBILE LOCK
    • Publication number 20220220774
    • Publication date Jul 14, 2022
    • ABUS August Bremicker Sohne KG
    • Manuel BANSE
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Holder For A Portable Lock
    • Publication number 20210396050
    • Publication date Dec 23, 2021
    • ABUS August Bremicker Sohne KG
    • Marcus KUCHLER
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Portable Electronic Lock
    • Publication number 20210396043
    • Publication date Dec 23, 2021
    • ABUS August Bremicker Sohne KG
    • Manuel Cornelius NEVELING
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    CHAIN LOCK
    • Publication number 20210388644
    • Publication date Dec 16, 2021
    • ABUS August Bremicker Sohne KG
    • Kenneth WONG
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    KEY BLANK AND KEY FOR ACTUATING A DISK CYLINDER AND METHOD OF MANUF...
    • Publication number 20210381275
    • Publication date Dec 9, 2021
    • ABUS August Bremicker Sohne KG
    • Frank WUNDERLICH
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    CYLINDER LOCK
    • Publication number 20210355708
    • Publication date Nov 18, 2021
    • ABUS August Bremicker Sohne KG
    • Eduard BUCHMÜLLER
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCK
    • Publication number 20210131146
    • Publication date May 6, 2021
    • ABUS August Bremicker Sohne KG
    • Marcus Kuchler
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Circuit breaker lockout apparatus
    • Publication number 20210110982
    • Publication date Apr 15, 2021
    • ABUS August Bremicker Sohne KG
    • Thomas Lind
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LOCKOUT BOX
    • Publication number 20210068574
    • Publication date Mar 11, 2021
    • ABUS August Bremicker Söhne KG
    • Bettina RIEPE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    RING HOOP PADLOCK AND ASSEMBLY METHOD
    • Publication number 20210071445
    • Publication date Mar 11, 2021
    • ABUS August Bremicker Sohne KG
    • Martin HOMMEL
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    LOCKOUT BOX
    • Publication number 20210002049
    • Publication date Jan 7, 2021
    • ABUS August Bremicker Sohne KG
    • Bettina RIEPE
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    SECURING APPARATUS FOR SECURING A VALVE LEVER IN A SET POSITION
    • Publication number 20200378525
    • Publication date Dec 3, 2020
    • ABUS August Bremicker Sohne KG
    • Thomas MÜLLER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Trademarklast 30 trademarks

  • Information Trademark

    98549993
    • Serial number 98549993
    • Filing date May 14, 2024
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    98549844 - SAFETY REDBOX
    • Serial number 98549844
    • Filing date May 14, 2024
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    98550101
    • Serial number 98550101
    • Filing date May 14, 2024
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79395219 - INDY
    • Serial number 79395219
    • Filing date Apr 10, 2024
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79395325 - XOXO
    • Serial number 79395325
    • Filing date Apr 10, 2024
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79391955 - SPECTOR
    • Serial number 79391955
    • Filing date Feb 20, 2024
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79396606 - YARDO
    • Serial number 79396606
    • Filing date Feb 8, 2024
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79396400 - LOTO ONE
    • Serial number 79396400
    • Filing date Feb 7, 2024
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79386758 - TARGON
    • Serial number 79386758
    • Filing date Dec 7, 2023
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    98240545 - ONE3-R
    • Serial number 98240545
    • Filing date Oct 25, 2023
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79387502 - EVEROX
    • Serial number 79387502
    • Filing date Oct 4, 2023
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79375064 - INFINITY LOOP
    • Serial number 79375064
    • Filing date Jun 28, 2023
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79374590 - PURL-Y
    • Serial number 79374590
    • Filing date Jun 16, 2023
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79372072 - F.FWD
    • Serial number 79372072
    • Filing date May 23, 2023
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79368357 - WINGBACK
    • Serial number 79368357
    • Registration number 7334193
    • Filing date Mar 22, 2023
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79359567 - AIRLUXE ROYAL
    • Serial number 79359567
    • Registration number 7198331
    • Filing date Dec 9, 2022
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79359568 - AIRLUXE HUNTER
    • Serial number 79359568
    • Registration number 7362235
    • Filing date Dec 9, 2022
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79364373 - ABUS ONE
    • Serial number 79364373
    • Filing date Dec 8, 2022
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79360252 - GOOSE LOCK
    • Serial number 79360252
    • Filing date Nov 9, 2022
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79359134 - ABUS ONE
    • Serial number 79359134
    • Filing date Oct 21, 2022
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79365882 - ABUS
    • Serial number 79365882
    • Filing date Oct 19, 2022
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79356275 - CMAP
    • Serial number 79356275
    • Filing date Sep 22, 2022
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79348109 - HYP-E
    • Serial number 79348109
    • Filing date Jul 29, 2022
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79346014 - AIRDUO
    • Serial number 79346014
    • Registration number 6952100
    • Filing date Jul 5, 2022
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79346012 - AIRLUXE
    • Serial number 79346012
    • Registration number 6945391
    • Filing date Jul 5, 2022
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79334835 - POWERDOME
    • Serial number 79334835
    • Registration number 7082598
    • Filing date Feb 1, 2022
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79343868
    • Serial number 79343868
    • Registration number 7129069
    • Filing date Dec 9, 2021
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    97163422 - SMARTX
    • Serial number 97163422
    • Registration number 6983820
    • Filing date Dec 8, 2021
    • ABUS August Bremicker Söhne KG
    • 6 - Common metals and their alloys
  • Information Trademark

    79318200 - YOUDROP
    • Serial number 79318200
    • Registration number 6829790
    • Filing date Jul 14, 2021
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79316701
    • Serial number 79316701
    • Registration number 6891357
    • Filing date May 28, 2021
    • ABUS August Bremicker Söhne KG
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments