Piston sealings

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing set

    • Patent number 12,359,724
    • Issue date Jul 15, 2025
    • Ozan Devlen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic cylinder with inflatable seals

    • Patent number 12,352,297
    • Issue date Jul 8, 2025
    • Saudi Arabian Oil Company
    • Naif Mohsen Mosleh Alharbi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston unit of a working cylinder

    • Patent number 12,313,094
    • Issue date May 27, 2025
    • Bümach Engineering International B.V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Abradable seal

    • Patent number 12,253,174
    • Issue date Mar 18, 2025
    • Goodrich Actuation Systems SAS
    • Arnauld Hervieux
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid pressure cylinder

    • Patent number 12,215,723
    • Issue date Feb 4, 2025
    • KYB Corporation
    • Tatsuya Itou
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic cylinder sealing arrangement

    • Patent number 12,209,667
    • Issue date Jan 28, 2025
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Dynamic seal assembly with a valve and a diaphragm function

    • Patent number 12,196,234
    • Issue date Jan 14, 2025
    • Schaeffler Technologies AG & Co. KG
    • David Huber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Working cylinder for power tool with piston lubricating system

    • Patent number 12,194,607
    • Issue date Jan 14, 2025
    • Kyocera Senco Industrial Tools, Inc.
    • David D. Bradley
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic cylinder buffer seal backup ring

    • Patent number 12,152,614
    • Issue date Nov 26, 2024
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Seal groove cooling flow

    • Patent number 12,117,025
    • Issue date Oct 15, 2024
    • Woodward, Inc.
    • James D. Rosplock
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Working cylinder with end position damping, and damping piston ring

    • Patent number 12,066,040
    • Issue date Aug 20, 2024
    • Bümach Engineering International B.V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid powered master-slave actuation for MRI-guided interventions

    • Patent number 12,023,120
    • Issue date Jul 2, 2024
    • Versitech Limited
    • Ziyang Dong
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Working cylinder with cushioned end-stroke

    • Patent number 11,953,033
    • Issue date Apr 9, 2024
    • Buemach Engineering International B.V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston and a fluid-actuated working cylinder provided therewith

    • Patent number 11,821,444
    • Issue date Nov 21, 2023
    • FESTO SE & CO. KG
    • Michael Rau
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method for repairing a piston-cylinder unit within a working machine

    • Patent number 11,754,099
    • Issue date Sep 12, 2023
    • LIEBHERR-COMPONENTS KIRCHDORF GMBH
    • Christian Zenner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure regulator for X-ray apparatus

    • Patent number 11,571,173
    • Issue date Feb 7, 2023
    • Thermo Kevex X-Ray Inc.
    • Alexander D. Waggoner
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for repairing a piston-cylinder unit within a working machine

    • Patent number 11,499,573
    • Issue date Nov 15, 2022
    • LIEBHERR-COMPONENTS KIRCHDORF GMBH
    • Christian Zenner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Actuator assembly

    • Patent number 11,486,417
    • Issue date Nov 1, 2022
    • Dana Heavy Vehicle Systems Group, LLC
    • Michael Z. Creech
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic assembly

    • Patent number 11,454,259
    • Issue date Sep 27, 2022
    • DRiV Automotive Inc.
    • Bart Van Mieghem
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Working cylinder for power tool with piston lubricating system

    • Patent number 11,413,734
    • Issue date Aug 16, 2022
    • Kyocera Senco Industrial Tools, Inc.
    • David D. Bradley
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Apparatus for supporting an explosive device

    • Patent number 11,401,956
    • Issue date Aug 2, 2022
    • MGW ENGINEERING PTY LTD
    • Anthony Redfern
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Actuator and valve device

    • Patent number 11,261,990
    • Issue date Mar 1, 2022
    • Fujikin Incorporated
    • Takeru Miura
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic rotary feed-through

    • Patent number 11,248,621
    • Issue date Feb 15, 2022
    • IE ASSETS GMBH + CO. KG
    • Steffen Erhardt
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Pneumatic or hydraulic mechanism

    • Patent number 11,242,873
    • Issue date Feb 8, 2022
    • David John Moodie
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Actuating piston and adjustment installation

    • Patent number 11,236,771
    • Issue date Feb 1, 2022
    • Robert Bosch GmbH
    • Bernd Huehn
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Master brake cylinder, braking system

    • Patent number 11,084,475
    • Issue date Aug 10, 2021
    • Robert Bosch GmbH
    • Chris Anderson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Integrated cylinder piston and bearing as a hydraulic cushion

    • Patent number 11,067,104
    • Issue date Jul 20, 2021
    • Caterpillar Inc.
    • Kurt S Goslovich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston control via adjustable rod

    • Patent number 11,053,961
    • Issue date Jul 6, 2021
    • Schlumberger Technology Corporation
    • Jonathan D. Marshall
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Eccentric member support that includes a piston with an expanding r...

    • Patent number 10,995,777
    • Issue date May 4, 2021
    • Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    • Andreas Misala
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Sealing structure

    • Patent number 10,900,568
    • Issue date Jan 26, 2021
    • EAGLE INDUSTRY CO., LTD.
    • Tatsuhiro Arikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    WORKING CYLINDER WITH PRESSURE MEDIUM OVERFLOW

    • Publication number 20250137473
    • Publication date May 1, 2025
    • BÜMACH ENGINEERING INTERNATIONAL B.V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Cylinder with Inflatable Seals

    • Publication number 20250122895
    • Publication date Apr 17, 2025
    • Saudi Arabian Oil Company
    • Naif Mohsen Mosleh Alharbi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    INTERNAL FLOATING PISTON

    • Publication number 20250084876
    • Publication date Mar 13, 2025
    • Fox Factory, Inc.
    • Joshua Coaplen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC MODULE, IN PARTICULAR FOR GENERATING PRESSURE AND/OR CONT...

    • Publication number 20250042383
    • Publication date Feb 6, 2025
    • ROBERT BOSCH GmbH
    • Andreas Weh
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDRAULIC CYLINDER BUFFER SEAL BACKUP RING

    • Publication number 20250043807
    • Publication date Feb 6, 2025
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Cylinder Leak Control Device

    • Publication number 20240376914
    • Publication date Nov 14, 2024
    • Zackery Ecton
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CONSTANT PRESSURE GENERATING SYSTEM

    • Publication number 20240369118
    • Publication date Nov 7, 2024
    • White's Welding, LLC
    • Russell Thompson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    A SEALING SET

    • Publication number 20240369138
    • Publication date Nov 7, 2024
    • KASTAS SIZDIRMAZLIK TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI
    • Ozan DEVLEN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    MASTER PISTON FOR A HYDRAULIC VEHICLE BRAKE

    • Publication number 20240123958
    • Publication date Apr 18, 2024
    • TRELLEBORG SEALING SOLUTIONS GERMANY GMBH
    • Jan Kolodziej
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PISTON UNIT OF A WORKING CYLINDER

    • Publication number 20240035496
    • Publication date Feb 1, 2024
    • BÜMACH ENGINEERING INTERNATIONAL B.V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DYNAMIC SEAL ASSEMBLY WITH A VALVE AND A DIAPHRAGM FUNCTION

    • Publication number 20240026907
    • Publication date Jan 25, 2024
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • David Huber
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORKING CYLINDER WITH END POSITION DAMPING, AND DAMPING PISTON RING

    • Publication number 20230392617
    • Publication date Dec 7, 2023
    • BÜMACH ENGINEERING INTERNATIONAL B.V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CYLINDER BUFFER SEAL BACKUP RING

    • Publication number 20230366415
    • Publication date Nov 16, 2023
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC CYLINDER SEALING ARRANGEMENT

    • Publication number 20230366466
    • Publication date Nov 16, 2023
    • Caterpillar Inc.
    • Ananda Sudhakar Ponnusamy
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Oil Leak Mitigation for Hydraulic Systems

    • Publication number 20230358256
    • Publication date Nov 9, 2023
    • J. E. Myles, Inc. Control Power Division
    • Scott Myles
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SEAL GROOVE COOLING FLOW

    • Publication number 20230296117
    • Publication date Sep 21, 2023
    • WOODWARD, INC.
    • James D. Rosplock
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Piston Ring Seal with Reduced Stiction

    • Publication number 20230204053
    • Publication date Jun 29, 2023
    • Roger J. GREGOIRE
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ACTUATOR WITH INTEGRATED COOLING

    • Publication number 20230160401
    • Publication date May 25, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Ryan Susca
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    METHOD FOR REPAIRING A PISTON-CYLINDER UNIT WITHIN A WORKING MACHINE

    • Publication number 20230122544
    • Publication date Apr 20, 2023
    • LIEBHERR-COMPONENTS KIRCHDORF GMBH
    • Christian ZENNER
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORKING CYLINDER WITH CUSHIONED END-STROKE

    • Publication number 20230011362
    • Publication date Jan 12, 2023
    • BUEMACH ENGINEERING INTERNATIONAL B. V.
    • Josef Bueter
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ABRADABLE SEAL

    • Publication number 20230003303
    • Publication date Jan 5, 2023
    • Goodrich Actuation Systems SAS
    • Arnauld Hervieux
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PISTON AND A FLUID-ACTUATED WORKING CYLINDER PROVIDED THEREWITH

    • Publication number 20220397132
    • Publication date Dec 15, 2022
    • Festo SE & Co. KG
    • Michael Rau
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORKING CYLINDER FOR POWER TOOL WITH PISTON LUBRICATING SYSTEM

    • Publication number 20220371167
    • Publication date Nov 24, 2022
    • David D. Bradley
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ACTUATOR ASSEMBLY

    • Publication number 20220128068
    • Publication date Apr 28, 2022
    • Dana Heavy Vehicle Systems Group, LLC
    • Michael Z. CREECH
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CLUTCH PISTON

    • Publication number 20210348656
    • Publication date Nov 11, 2021
    • NOK Corporation
    • Kiichiro Goto
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC ASSEMBLY

    • Publication number 20210231136
    • Publication date Jul 29, 2021
    • DRiV Automotive Inc.
    • Bart Van Mieghem
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Actuating Piston and Adjustment Installation

    • Publication number 20210102559
    • Publication date Apr 8, 2021
    • ROBERT BOSCH GmbH
    • Bernd Huehn
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FLUID POWERED MASTER-SLAVE ACTUATION FOR MRI-GUIDED INTERVENTIONS

    • Publication number 20210007817
    • Publication date Jan 14, 2021
    • Versitech Limited
    • Ziyang DONG
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SEAL STRUCTURE IN HYDRAULIC CYLINDER, AND SAID HYDRAULIC CYLINDER

    • Publication number 20210003152
    • Publication date Jan 7, 2021
    • SMC Corporation
    • Masayuki KUDO
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PRESSURE REGULATOR FOR X-RAY APPARATUS

    • Publication number 20200367843
    • Publication date Nov 26, 2020
    • Thermo Kevex X-Ray Inc.
    • Alexander D. Waggoner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL