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Patents Grants
last 30 patents
Information
Patent Grant
Pendulum gate valve
Patent number
4,328,947
Issue date
May 11, 1982
Leybold-Heraeus GmbH & Co. KG
Uwe Reimpell
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for the production of high-purity metal powder by means o...
Patent number
4,295,808
Issue date
Oct 20, 1981
Leybold-Heraeus GmbH & Co. KG
Herbert Stephan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for the production of high-purity metal powder by means of e...
Patent number
4,218,410
Issue date
Aug 19, 1980
Leybold-Heraeus GmbH & Co. KG
Herbert Stephan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Apparatus for the zone pulling of monocrystal rods
Patent number
4,218,424
Issue date
Aug 19, 1980
Leybold-Heraeus GmbH & Co. KG
Joachim Floymayr
C30 - CRYSTAL GROWTH
Information
Patent Grant
Arrangement and photometer for measuring and controlling the thickn...
Patent number
4,207,835
Issue date
Jun 17, 1980
Leybold-Heraeus GmbH & Co. KG
Horst Schwiecker
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Dual speed rotary vane pump
Patent number
4,207,031
Issue date
Jun 10, 1980
Leybold-Heraeus GmbH & Co. KG
Alfred E. Maskrey
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Apparatus for regulating the depth of immersion of consumable elect...
Patent number
4,194,078
Issue date
Mar 18, 1980
Leybold-Heraeus GmbH & Co. KG
Friedrich W. Thomas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus for producing monocrystals
Patent number
4,186,173
Issue date
Jan 29, 1980
Leybold-Heraeus GmbH & Co. KG
Karl Jericho
C30 - CRYSTAL GROWTH
Information
Patent Grant
Liquefied gas leakage calibration source
Patent number
4,172,378
Issue date
Oct 30, 1979
Leybold-Heraeus GmbH & Co. KG
Hans Limp
G01 - MEASURING TESTING
Information
Patent Grant
Generation of high vacuums
Patent number
4,172,477
Issue date
Oct 30, 1979
Leybold-Heraeus GmbH & Co. KG
Gunter Reich
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method of producing antireflective coatings on polydiethyleneglycol...
Patent number
4,161,547
Issue date
Jul 17, 1979
Leybold-Heraeus GmbH & Co. KG
Gerhard Kienel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of producing antireflective coatings on acrylic glasses, opt...
Patent number
4,161,560
Issue date
Jul 17, 1979
Leybold-Heraeus GmbH & Co. KG
Gerhard Kienel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Ion filter and method of making the same
Patent number
4,158,771
Issue date
Jun 19, 1979
Leybold-Heraeus GmbH & Co. KG
Udo Beeck
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for the photo-optical measurement of the absorption behavio...
Patent number
4,155,010
Issue date
May 15, 1979
Leybold-Heraeus GmbH & Co. KG
Gunther Schunck
G01 - MEASURING TESTING
Information
Patent Grant
Microrheoscopic detector for gases
Patent number
4,154,087
Issue date
May 15, 1979
Leybold-Heraeus GmbH & Co. KG
Gunter Schunk
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for the photo-optical measurement of the absorption behav...
Patent number
4,152,594
Issue date
May 1, 1979
Leybold-Heraeus GmbH & Co. KG
Gunther Schunck
G01 - MEASURING TESTING
Information
Patent Grant
Power supply for electron beam guns
Patent number
4,143,272
Issue date
Mar 6, 1979
Leybold-Heraeus GmbH & Co. KG
Fritz Frank
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for regulating evaporating rate and layer buil...
Patent number
4,140,078
Issue date
Feb 20, 1979
Leybold-Heraeus GmbH & Co. KG
Ingo G. Wilmanns
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Energy analyzer for charged particles
Patent number
4,128,763
Issue date
Dec 5, 1978
Leybold-Heraeus GmbH & Co. KG
Hans-Dietrich Polaschegg
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Shaft seal
Patent number
4,128,248
Issue date
Dec 5, 1978
Leybold-Heraeus GmbH & Co. KG
Hans-Peter Kabelitz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cryopump having improved heat radiation shielding
Patent number
4,121,430
Issue date
Oct 24, 1978
Leybold-Heraeus GmbH & Co. KG
Werner Bachler
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Electron beam vaporizer
Patent number
4,115,653
Issue date
Sep 19, 1978
Leybold-Heraeus GmbH & Co. KG
Gerhard Kienel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Plug assembly
Patent number
4,105,273
Issue date
Aug 8, 1978
Leybold-Heraeus GmbH & Co. KG
Siegfried Henschke
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for the photo-optical measurement of the absorption behavio...
Patent number
4,101,221
Issue date
Jul 18, 1978
Leybold-Heraeus GmbH & Co. KG
Gunter Schunck
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for producing monocrystals
Patent number
4,078,897
Issue date
Mar 14, 1978
Leybold Heraeus GmbH & Co. KG
Karl Jericho
C30 - CRYSTAL GROWTH
Information
Patent Grant
Apparatus for regulating the immersion depth of electrodes in elect...
Patent number
4,075,414
Issue date
Feb 21, 1978
Leybold Heraeus GmbH & Co. KG
Friedrich Werner Thomas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Test bar for a vacuum chamber
Patent number
4,067,697
Issue date
Jan 10, 1978
Leybold Heraeus GmbH & Co. KG
Hans-Dietrich Polaschegg
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electron gun for heating, melting and vaporizing purposes, with def...
Patent number
4,061,871
Issue date
Dec 6, 1977
Leybold Heraeus GmbH & Co. KG
Peter Sommerkamp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for detecting leaks in flexible articles
Patent number
4,055,984
Issue date
Nov 1, 1977
Leybold Heraeus GmbH & Co. KG
Joachim Marx
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for the production of solid forging blocks wit...
Patent number
4,049,039
Issue date
Sep 20, 1977
Leybold Heraeus GmbH & Co. KG
Helmut Theodor Grof
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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last 30 patents
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