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Class Information
Number: 60/328
Name: Power plants > Pressure fluid source and motor > Having a signal, indicator or inspection means
Description: Apparatus having (1) signals, indicator, registers, recorders, or gauges for indicating a condition or the position of a motor or pump part such as a piston, control member, valve etc., such devices consisting of a relatively movable, changeable or audible information giving parts, or (2) transparent viewing means whereby the motor or pump operation or the condition of some part thereof may be observed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7546729 |
Method and system for limiting torque load associated with an implement |
Jun. 16, 2009 |
| 7478530 |
Hydraulic circuit for working machine |
Jan. 20, 2009 |
| 7469537 |
Hydraulic transaxle and hydraulically driven vehicle |
Dec. 30, 2008 |
| 7458311 |
Return to neutral for dual hydrostatic transmission |
Dec. 2, 2008 |
| 7310943 |
Hydrostatic transmission controls with alternative operating modes |
Dec. 25, 2007 |
| 7240487 |
Throttle potentiometer adapter |
Jul. 10, 2007 |
| 7234300 |
Fastener and valve for a hydraulic apparatus |
Jun. 26, 2007 |
| 7204083 |
Hydraulic actuating device for a convertible top assembly of a vehicle |
Apr. 17, 2007 |
| 7133758 |
Neutral start interlock |
Nov. 7, 2006 |
| 7111457 |
Diagnostic system for a hydrostatic transmission or transaxle |
Sep. 26, 2006 |
| 6973779 |
Hydraulic power system for agricultural implement including flow-rate indicator |
Dec. 13, 2005 |
| 6799424 |
Hydraulic circuit |
Oct. 5, 2004 |
| 6625980 |
Overpressure control circuit for vehicle pneumatic system |
Sep. 30, 2003 |
| 6615581 |
Hydraulic oil flow controller for construction machine |
Sep. 9, 2003 |
| 6539710 |
Hydrostatic steering system having improved steering sensing |
Apr. 1, 2003 |
| 6499295 |
Hydro-transformer |
Dec. 31, 2002 |
| 6092370 |
Apparatus and method for diagnosing the status of specific components in high-pressure fluid pumps |
Jul. 25, 2000 |
| 5865086 |
Thermo-hydro-dynamic system |
Feb. 2, 1999 |
| 5796343 |
Device and method for preventing damage to goods during handling by material handling equipment |
Aug. 18, 1998 |
| 5787787 |
Engine/pump control device for loaders |
Aug. 4, 1998 |
| 5692376 |
Control circuit for a construction machine |
Dec. 2, 1997 |
| 5660041 |
Process for adjusting the characteristics of infinitely variable transmissions of a vehicle |
Aug. 26, 1997 |
| 5634334 |
Hydraulic device for use in a production machine |
Jun. 3, 1997 |
| 5493861 |
Hydraulic system with pump and load |
Feb. 27, 1996 |
| 5452579 |
Hydraulic system with pump and load |
Sep. 26, 1995 |
| 5287699 |
Automatic vibration method and device for hydraulic drilling machine |
Feb. 22, 1994 |
| 5123244 |
Differential pressure measuring device with position detector means |
Jun. 23, 1992 |
| 5085468 |
Vehicle storage tank headboard |
Feb. 4, 1992 |
| 5036659 |
Swash plate type pump with flow path through cavity containing swash plate |
Aug. 6, 1991 |
| 4757684 |
Fail-safe electric actuator |
Jul. 19, 1988 |
| 4745743 |
Hydraulic fluid supply assembly |
May. 24, 1988 |
| 4698968 |
Pumping unit |
Oct. 13, 1987 |
| 4683718 |
Method and apparatus for monitoring hydro turbine plants |
Aug. 4, 1987 |
| 4655039 |
Lift system |
Apr. 7, 1987 |
| 4531365 |
Neutral start for hydrostatic transmission |
Jul. 30, 1985 |
| 4489551 |
Failure detection system for hydraulic pump |
Dec. 25, 1984 |
| 4476677 |
Hydraulic supply circuit for vehicle steering system |
Oct. 16, 1984 |
| 4326558 |
Steering system including accumulator for supplying emergency reserve of fluid |
Apr. 27, 1982 |
| 4303089 |
Steering including accumulator for supplying emergency reserve of fluid |
Dec. 1, 1981 |
| 4285126 |
Hydraulically actuated apparatus |
Aug. 25, 1981 |
| 4209984 |
Hydraulic system with unloading valve assembly |
Jul. 1, 1980 |
| 4151718 |
Electronic control for hydraulic press |
May. 1, 1979 |
| 4143583 |
Redundant EHV fault detector |
Mar. 13, 1979 |
| 4132071 |
Electro-hydraulic controlled valve actuator system |
Jan. 2, 1979 |
| 4003294 |
Hydraulic power mechanism with control device actuator |
Jan. 18, 1977 |
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