Nippert; Andrew H.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Nippert; Andrew H..The latest application filed is for "hydraulic system pump charging and recirculation apparatus".

Company Profile

0.10.3

Nippert; Andrew H. - Peoria IL
Nippert; Andrew H. - Washington IL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hydraulic system pump charging and recirculation apparatus Grant 6,739,127 - Nippert , et al. May 25, 2	2004-05-25
Digital controlled fluid translating device Grant 6,681,571 - Bailey , et al. January 27, 2	2004-01-27
Hydraulic system pump charging and recirculation apparatus App 20030226354 - Nippert, Andrew H. ; et al.	2003-12-11
Fluid translating device Grant 6,651,545 - Nippert November 25, 2	2003-11-25
Digital controlled fluid translating device App 20030110765 - Bailey, Brett M. ; et al.	2003-06-19
Fluid translating device App 20030110935 - Nippert, Andrew H.	2003-06-19
Apparatus for multiplexing a plurality of hydraulic cylinders Grant 6,431,050 - Hausman , et al. August 13, 2	2002-08-13
Steering resistance device Grant 6,389,343 - Hefner , et al. May 14, 2	2002-05-14
Actuator which uses fluctuating pressure from an oil pump that powers a hydraulically actuated fuel injector Grant 5,865,156 - Feucht , et al. February 2, 1	1999-02-02
Method and apparatus for determining the position of an armature in an electromagnetic actuator by measuring the driving voltage frequency Grant 5,600,237 - Nippert February 4, 1	1997-02-04
Method and apparatus for determining the position of an armature of an electromagnetic actuator in response to the magnitude and time derivative of the actuator coil current Grant 5,578,904 - Marcott , et al. November 26, 1	1996-11-26
Method and apparatus for determining the position of an armature in an electromagnetic actuator Grant 5,481,187 - Marcott , et al. January 2, 1	1996-01-02
Pressure compensated flow amplifying poppet valve Grant 5,137,254 - Aardema , et al. August 11, 1	1992-08-11

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