Alan W. Johnson

Person

Ames, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Charge/auxiliary circuit for reducing power losses in hydrostatic s...
- Patent number 7,299,629
- Issue date Nov 27, 2007
- Sauer-Danfoss Inc.
- Michael A Betz
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydrostatic transmission
- Patent number 7,065,964
- Issue date Jun 27, 2006
- Hydro-Gear Limited Partnership
- Raymond Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission
- Patent number 7,036,311
- Issue date May 2, 2006
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission
- Patent number 6,941,753
- Issue date Sep 13, 2005
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Roller vane pump
- Patent number 6,857,862
- Issue date Feb 22, 2005
- Sauer-Danfoss Inc.
- Alan W. Johnson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydrostatic transmission
- Patent number 6,672,057
- Issue date Jan 6, 2004
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission
- Patent number 6,550,243
- Issue date Apr 22, 2003
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission
- Patent number 6,526,749
- Issue date Mar 4, 2003
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Reduced oil volume piston assembly for a hydrostatic unit
- Patent number 6,338,293
- Issue date Jan 15, 2002
- Sauer-Danfoss Inc.
- Alan W. Johnson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Brake design for a hydrostatic transaxle
- Patent number 6,301,884
- Issue date Oct 16, 2001
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Differential gear mechanism
- Patent number 6,261,201
- Issue date Jul 17, 2001
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rider transaxle having improved hydrostatic transmission
- Patent number 6,256,988
- Issue date Jul 10, 2001
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for improved hydrostatic transmission having b...
- Patent number 6,256,989
- Issue date Jul 10, 2001
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic piston filling
- Patent number 6,250,206
- Issue date Jun 26, 2001
- Sauer-Danfoss Inc.
- Alan W. Johnson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydrostatic transmission
- Patent number 6,014,861
- Issue date Jan 18, 2000
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axle driving apparatus
- Patent number 5,979,271
- Issue date Nov 9, 1999
- Sauer Inc.
- Joseph E. Louis
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axle driving apparatus
- Patent number 5,921,151
- Issue date Jul 13, 1999
- Sauer Inc.
- Joseph E. Louis
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rider transaxle having improved hydrostatic transmission
- Patent number 5,768,892
- Issue date Jun 23, 1998
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transaxle having improved brake design
- Patent number 5,689,955
- Issue date Nov 25, 1997
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission center section
- Patent number 5,634,526
- Issue date Jun 3, 1997
- Sauer Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transaxle
- Patent number 5,626,204
- Issue date May 6, 1997
- Sauer Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Transaxle having hydrostatic transmission with expansion chamber
- Patent number 5,616,092
- Issue date Apr 1, 1997
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transaxle
- Patent number 5,593,000
- Issue date Jan 14, 1997
- Sauer Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission center section
- Patent number 5,577,572
- Issue date Nov 26, 1996
- Sauer Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission and axle assembly
- Patent number 5,542,494
- Issue date Aug 6, 1996
- Sauer Inc.
- Joseph E. Louis
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission and axle assembly
- Patent number 5,513,717
- Issue date May 7, 1996
- Sauer Inc.
- Joseph E. Louis
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic transmission and axle assembly
- Patent number 5,505,279
- Issue date Apr 9, 1996
- Sauer Inc.
- Joseph E. Louis
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Transaxle having hydrostatic transmission with hydraulic reduction
- Patent number 5,501,640
- Issue date Mar 26, 1996
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydrostatic pump and motor unit
- Patent number 5,497,623
- Issue date Mar 12, 1996
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Improved hydrostatic transmission
- Patent number 5,423,182
- Issue date Jun 13, 1995
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydrostatic transmission
- Publication number 20060026956
- Publication date Feb 9, 2006
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Application
Hydrostatic transmission
- Publication number 20060026957
- Publication date Feb 9, 2006
- Hydro-Gear Limited Partnership
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL
Information Patent Application
Charge/auxiliary circuit for reducing power losses in hydrostatic s...
- Publication number 20050178117
- Publication date Aug 18, 2005
- Sauer-Danfoss Inc.
- Michael A. Betz
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Roller vane pump
- Publication number 20040219046
- Publication date Nov 4, 2004
- Sauer-Danfoss Inc.
- Alan W. Johnson
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Axle driving apparatus
- Publication number 20030027677
- Publication date Feb 6, 2003
- Sauer-Danfoss Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Application
Axle driving apparatus
- Publication number 20030027676
- Publication date Feb 6, 2003
- Sauer-Danfoss Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Application
Center section for integrated transaxles
- Publication number 20030019680
- Publication date Jan 30, 2003
- Sauer-Danfoss Inc.
- Alan W. Johnson
- B60 - VEHICLES IN GENERAL
Information Patent Application
Hydrostatic transmission
- Publication number 20010027651
- Publication date Oct 11, 2001
- Ray M. Hauser
- B60 - VEHICLES IN GENERAL

Alan W. Johnson

Person

Patents Grantslast 30 patents

Charge/auxiliary circuit for reducing power losses in hydrostatic s...

Hydrostatic transmission

Hydrostatic transmission

Hydrostatic transmission

Roller vane pump

Hydrostatic transmission

Hydrostatic transmission

Hydrostatic transmission

Reduced oil volume piston assembly for a hydrostatic unit

Brake design for a hydrostatic transaxle

Differential gear mechanism

Rider transaxle having improved hydrostatic transmission

Method and apparatus for improved hydrostatic transmission having b...

Hydraulic piston filling

Hydrostatic transmission

Axle driving apparatus

Axle driving apparatus

Rider transaxle having improved hydrostatic transmission

Hydrostatic transaxle having improved brake design

Hydrostatic transmission center section

Hydrostatic transaxle

Transaxle having hydrostatic transmission with expansion chamber

Hydrostatic transaxle

Hydrostatic transmission center section

Hydrostatic transmission and axle assembly

Hydrostatic transmission and axle assembly

Hydrostatic transmission and axle assembly

Transaxle having hydrostatic transmission with hydraulic reduction

Hydrostatic pump and motor unit

Improved hydrostatic transmission

Patents Applicationslast 30 patents

Hydrostatic transmission

Hydrostatic transmission

Charge/auxiliary circuit for reducing power losses in hydrostatic s...

Roller vane pump

Axle driving apparatus

Axle driving apparatus

Center section for integrated transaxles

Hydrostatic transmission