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Patents Grants
last 30 patents
Information
Patent Grant
Hydrostatic transaxle
Patent number
6,237,332
Issue date
May 29, 2001
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydrostatic Transaxle
Patent number
6,231,466
Issue date
May 15, 2001
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydrostatic machines for use in transmission and transaxle product
Patent number
6,178,746
Issue date
Jan 30, 2001
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydrostatic transaxles with 2 chambers defined by three housing parts
Patent number
6,076,428
Issue date
Jun 20, 2000
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Radial piston hydrostatic transmission of the type incorporated int...
Patent number
6,058,704
Issue date
May 9, 2000
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulic radial piston machines
Patent number
6,010,311
Issue date
Jan 4, 2000
Unipat AG
Christian Helmut Thoma
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hydrostatic transaxle
Patent number
5,979,270
Issue date
Nov 9, 1999
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Radial piston machines
Patent number
5,848,565
Issue date
Dec 15, 1998
Unipat AG
Christian Helmut Thoma
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hydraulic piston machines
Patent number
5,626,465
Issue date
May 6, 1997
Unipat AG
Christian H. Thoma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Eccentric motion transmitting device with pins gyrating within resp...
Patent number
5,509,861
Issue date
Apr 23, 1996
Plumettaz S.A.
Andrzey B. Wacinski
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hydraulic radial piston machines
Patent number
5,503,535
Issue date
Apr 2, 1996
Unipat AG
Christian H. Thoma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic radial piston machines
Patent number
5,482,442
Issue date
Jan 9, 1996
Unipat AG
Arthur A. Blair
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Bevel gear support with fluid bearings for radial piston hydrostati...
Patent number
5,279,185
Issue date
Jan 18, 1994
Unipat AG
George D. M. Arnold
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Variable speed transaxle
Patent number
5,228,366
Issue date
Jul 20, 1993
Unipat AG
Christian H. Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Friction drive transmission
Patent number
5,195,933
Issue date
Mar 23, 1993
Unipat AG
Christian H. Thoma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Variable speed transaxle
Patent number
5,090,949
Issue date
Feb 25, 1992
Unipat AG
Christian H. Thoma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Variable speed transaxle
Patent number
5,078,659
Issue date
Jan 7, 1992
Unipat AG
Roland L. von Kaler
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Neutral shifting mechanism for hydrostatic transmission
Patent number
5,042,252
Issue date
Aug 27, 1991
Unipat AG
Dale I. Havens
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Rotary hydrostatic machines or transmissions
Patent number
4,691,512
Issue date
Sep 8, 1987
Unipat AG
Christian H. Thoma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary hydrostatic radial piston machines
Patent number
4,686,829
Issue date
Aug 18, 1987
Unipat AG
Christian H. Thoma
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Hydraulic radial piston machines
Patent number
4,635,535
Issue date
Jan 13, 1987
Unipat AG
Christian H. Thoma
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Hydrostatic transaxle
Publication number
20010010154
Publication date
Aug 2, 2001
Unipat AG
Christian Helmut Thoma
B60 - VEHICLES IN GENERAL
Trademark
last 30 trademarks