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Class Information
Number: 73/168
Name: Measuring and testing > Blower, pump, and hydraulic equipment
Description: Subject matter for testing hydraulic equipment, blowers and pumps.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621179 |
Diagnostic system and method for a valve, especially a check valve of a positive displacement pump |
Nov. 24, 2009 |
| 7584668 |
Monitoring system for valve device |
Sep. 8, 2009 |
| 7574906 |
Determining clutch fill volume in an automatic transmission |
Aug. 18, 2009 |
| 7572107 |
Ultra low volume chemical delivery system and method |
Aug. 11, 2009 |
| 7568894 |
Hermetic compressor |
Aug. 4, 2009 |
| 7543492 |
Vacuum line and a method of monitoring such a line |
Jun. 9, 2009 |
| 7516656 |
Method and apparatus for diagnosing motor-operated valve |
Apr. 14, 2009 |
| 7509233 |
Diagnostics for identifying a malfunctioning component in an air compressor system onboard a locomotive |
Mar. 24, 2009 |
| 7504961 |
Emergency isolation valve controller with integral fault indicator |
Mar. 17, 2009 |
| 7497116 |
Flow rate estimation method of blood pump |
Mar. 3, 2009 |
| 7493809 |
Method and system for measuring deformation in turbine blades |
Feb. 24, 2009 |
| 7454985 |
Method and device for determining the hydraulic flow rate in a pump driven by a synchronous electric motor |
Nov. 25, 2008 |
| 7451644 |
Method for verifying the performance of a test of the functionality of a safety valve |
Nov. 18, 2008 |
| 7406864 |
Method for prevention/detection of mechanical overload in a reciprocating gas compressor |
Aug. 5, 2008 |
| 7401500 |
Positive displacement pump monitor |
Jul. 22, 2008 |
| 7401624 |
Method for monitoring a pipeline and position regulator for a control valve |
Jul. 22, 2008 |
| 7380452 |
Method of determining fuse parameters for a mechanical fuse in a gas compressor |
Jun. 3, 2008 |
| 7367229 |
Liquid flow regulating device and dynamometer testing device |
May. 6, 2008 |
| 7363807 |
Pump testing apparatus and method |
Apr. 29, 2008 |
| 7356399 |
Failure determination system for stepless speed changer and failure determination device for start clutch |
Apr. 8, 2008 |
| 7347083 |
System and method for detecting a leak in a hydraulic fluid system |
Mar. 25, 2008 |
| 7343792 |
Method and apparatus for inspecting operation condition of pump |
Mar. 18, 2008 |
| 7287423 |
Method and device for control of the capacity of a compressor |
Oct. 30, 2007 |
| 7264573 |
Automatic transmission control apparatus having diagnostic function |
Sep. 4, 2007 |
| 7256702 |
Gas supply pressure alarm device |
Aug. 14, 2007 |
| 7231820 |
Test stand for hydraulic oscillator using gas-filled shock absorbers |
Jun. 19, 2007 |
| 7204138 |
Hydraulic system health indicator |
Apr. 17, 2007 |
| 7185536 |
Pressure monitoring technique for downhole tools |
Mar. 6, 2007 |
| 7134353 |
Method and apparatus for determining system integrity for an oilfield machine |
Nov. 14, 2006 |
| 7134328 |
Liquid-ejection testing method, liquid-ejection testing device, and computer-readable medium |
Nov. 14, 2006 |
| 7131324 |
Partial stroke valve test apparatus |
Nov. 7, 2006 |
| 7063942 |
System and method to simulate hemodynamics |
Jun. 20, 2006 |
| 7047802 |
Pump tester |
May. 23, 2006 |
| 7043975 |
Hydraulic system health indicator |
May. 16, 2006 |
| 7038419 |
Compressor drive |
May. 2, 2006 |
| 7017406 |
Pump testing system |
Mar. 28, 2006 |
| 7013223 |
Method and apparatus for analyzing performance of a hydraulic pump |
Mar. 14, 2006 |
| 6976503 |
Diagnostic system and method for a valve |
Dec. 20, 2005 |
| 6938471 |
Methods of measuring pressure of hydraulic fluid, methods of evaluating soundness and hydraulic drive devices for carrying out the methods |
Sep. 6, 2005 |
| 6931924 |
Method for testing the function of an electrohydraulically controlled automatic transmission |
Aug. 23, 2005 |
| 6927681 |
Mixed air amount alarm device |
Aug. 9, 2005 |
| 6904788 |
Single-body multiple sensing device |
Jun. 14, 2005 |
| 6898968 |
Method and device for measuring a path that has been covered |
May. 31, 2005 |
| 6880567 |
Over-pressure protection system |
Apr. 19, 2005 |
| 6877947 |
Method and apparatus for early fault detection in centrifugal pumps |
Apr. 12, 2005 |
| 6865935 |
System and method for steam turbine backpressure control using dynamic pressure sensors |
Mar. 15, 2005 |
| 6862940 |
Portable electro-hydraulic test bed apparatus with analog control station and methodology |
Mar. 8, 2005 |
| 6862547 |
Control device test system with a remote switch activation |
Mar. 1, 2005 |
| 6850850 |
Fluid filter flowmeter self-generating power source system and method |
Feb. 1, 2005 |
| 6835049 |
Occlusion detector for rotary peristaltic pump |
Dec. 28, 2004 |
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