Johnson; Alan W
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Alan W.The latest application filed is for "hydrostatic transmission".
- Johnson; Alan W - Ames IA
- Johnson; Alan W. - Ames IA
- Johnson; Alan W. - Boise ID
| Patent | Date |
|---|---|
| Charge/auxiliary circuit for reducing power losses in hydrostatic systems Grant 7,299,629 - Betz , et al. November 27, 2 | 2007-11-27 |
| Hydrostatic transmission Grant 7,065,964 - Hauser , et al. June 27, 2 | 2006-06-27 |
| Hydrostatic transmission Grant 7,036,311 - Hauser , et al. May 2, 2 | 2006-05-02 |
| Hydrostatic transmission App 20060026957 - Hauser; Ray M. ; et al. | 2006-02-09 |
| Hydrostatic transmission App 20060026956 - Hauser; Ray M. ; et al. | 2006-02-09 |
| Hydrostatic transmission Grant 6,941,753 - Hauser , et al. September 13, 2 | 2005-09-13 |
| Charge/auxiliary circuit for reducing power losses in hydrostatic systems App 20050178117 - Betz, Michael A. ; et al. | 2005-08-18 |
| Roller vane pump Grant 6,857,862 - Johnson , et al. February 22, 2 | 2005-02-22 |
| Roller vane pump App 20040219046 - Johnson, Alan W. ; et al. | 2004-11-04 |
| Hydrostatic transmission Grant 6,672,057 - Hauser , et al. January 6, 2 | 2004-01-06 |
| Hydrostatic transmission Grant 6,550,243 - Hauser , et al. April 22, 2 | 2003-04-22 |
| Axle driving apparatus App 20030027677 - Johnson, Alan W. | 2003-02-06 |
| Axle driving apparatus App 20030027676 - Johnson, Alan W. | 2003-02-06 |
| Center section for integrated transaxles App 20030019680 - Johnson, Alan W. | 2003-01-30 |
| Hydrostatic transmission App 20010027651 - Hauser, Ray M. ; et al. | 2001-10-11 |
| Differential gear mechanism Grant 6,261,201 - Hauser , et al. July 17, 2 | 2001-07-17 |
| Method and apparatus for improved hydrostatic transmission having bypass Grant 6,256,989 - Hauser , et al. July 10, 2 | 2001-07-10 |
| Hydraulic piston filling Grant 6,250,206 - Johnson June 26, 2 | 2001-06-26 |
| Axle driving apparatus Grant 5,921,151 - Louis , et al. July 13, 1 | 1999-07-13 |
| Hydrostatic transmission center section Grant 5,634,526 - Johnson June 3, 1 | 1997-06-03 |
| Hydrostatic transaxle Grant 5,626,204 - Johnson May 6, 1 | 1997-05-06 |
| Transaxle having hydrostatic transmission with expansion chamber Grant 5,616,092 - Hauser , et al. April 1, 1 | 1997-04-01 |
| Hydrostatic transaxle Grant 5,593,000 - Johnson January 14, 1 | 1997-01-14 |
| Hydrostatic transmission and axle assembly Grant 5,542,494 - Louis , et al. August 6, 1 | 1996-08-06 |
| Hydrostatic transmission and axle assembly Grant 5,513,717 - Louis , et al. May 7, 1 | 1996-05-07 |
| Hydrostatic transmission and axle assembly Grant 5,505,279 - Louis , et al. April 9, 1 | 1996-04-09 |
| Rider transaxle having improved hydrostatic transmission Grant 5,330,394 - Hauser , et al. July 19, 1 | 1994-07-19 |
| Hydrostatic transmission Grant 5,314,387 - Hauser , et al. May 24, 1 | 1994-05-24 |
| Hydrostatic transmission center section Grant 5,218,886 - Louis , et al. June 15, 1 | 1993-06-15 |
| Hydrostatic transmission center section Grant 5,211,077 - Louis , et al. * May 18, 1 | 1993-05-18 |
| Rider transaxle having hydrostatic transmission Grant 5,201,692 - Johnson , et al. April 13, 1 | 1993-04-13 |
| Compact integrated transaxle Grant 5,156,576 - Johnson October 20, 1 | 1992-10-20 |
| Hydrostatic transmission with hydraulic bypass and air bleed Grant 5,010,733 - Johnson April 30, 1 | 1991-04-30 |
| Housing support for hydraulic displacement unit swashplate Grant 4,953,426 - Johnson September 4, 1 | 1990-09-04 |
| Hydrostatic transmission center section Grant 4,903,545 - Louis , et al. February 27, 1 | 1990-02-27 |
| I-beam type truss joist forming apparatus with automated web infeed Grant 3,894,908 - Troutner , et al. July 15, 1 | 1975-07-15 |
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