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Class Information
Number: 73/730
Name: Measuring and testing > Fluid pressure gauge > Diaphragm > Expansible conduit
Description: Subject matter wherein the pressure being measured deflects a flexible portion of a fluid-carrying pipe or tube section and a detection of the degree of deflection is taken as an indication of pressure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7412893 |
Redundant mechanical and electronic remote seal system |
Aug. 19, 2008 |
| 7340959 |
Pressure sensor |
Mar. 11, 2008 |
| 7325458 |
Peak contact pressure sensor system (PCPSS) and smart brain retractor system (SBRS) |
Feb. 5, 2008 |
| 7281430 |
Inflatable manometers |
Oct. 16, 2007 |
| 7207225 |
Piping and pressure-measuring apparatus |
Apr. 24, 2007 |
| 7074191 |
Method and device for non-intrusive measurement of blood pressure in a circuit of a dialysis machine |
Jul. 11, 2006 |
| 7021150 |
Device and procedure for hydraulic expansion |
Apr. 4, 2006 |
| 6962084 |
Sensor with molded sensor diaphragm cover |
Nov. 8, 2005 |
| 6935183 |
Portable system for measuring the internal pressure of a vacuum insulating panels |
Aug. 30, 2005 |
| 6931933 |
Pressure sensing apparatus |
Aug. 23, 2005 |
| 6880404 |
System elements for measuring pressure in extracorporeal circuits |
Apr. 19, 2005 |
| 6857318 |
Method for the non-invasive measurement of an internal pressure |
Feb. 22, 2005 |
| 6857319 |
Test method of hydrostatic pressure |
Feb. 22, 2005 |
| 6820491 |
Pressure differential measuring tool |
Nov. 23, 2004 |
| 6813955 |
Inflatable tensioning device |
Nov. 9, 2004 |
| 6718828 |
Watertight pressure sensing device |
Apr. 13, 2004 |
| 6691580 |
High pressure deflection testing system and methods of making the system |
Feb. 17, 2004 |
| 6675657 |
Self-dampening vessel |
Jan. 13, 2004 |
| 6663352 |
Method and apparatus for dynamically determining vapor pressure in pumping systems |
Dec. 16, 2003 |
| 6637272 |
Manometer with direct passage |
Oct. 28, 2003 |
| 6622565 |
Fluid pressure measurement by mechanical compression of tubing |
Sep. 23, 2003 |
| 6581470 |
Inductive pressure transducer |
Jun. 24, 2003 |
| 6481292 |
Dual pressure monitor |
Nov. 19, 2002 |
| 6354734 |
Apparatus for accurate temperature and pressure measurement |
Mar. 12, 2002 |
| 6250164 |
Measurement of fluid pressure within a tube |
Jun. 26, 2001 |
| 6238142 |
Apparatus for erecting a foundation element in the ground |
May. 29, 2001 |
| 6171253 |
Flat tube pressure sensor |
Jan. 9, 2001 |
| 6134970 |
Contact pressure detecting sensor and contact pressure measuring device including same |
Oct. 24, 2000 |
| 6085595 |
High range pressure sensor for pressure gauge |
Jul. 11, 2000 |
| 6070470 |
Sensor for measuring the internal pressure of hollow bodies |
Jun. 6, 2000 |
| 5942693 |
Sensor for measuring surface expansion of a hollow body with film protecting against dirt and burrs |
Aug. 24, 1999 |
| 5846257 |
Pressure sensor for a surgical system |
Dec. 8, 1998 |
| 5792959 |
Pressure detection method and device |
Aug. 11, 1998 |
| 5788463 |
Manual vacuum producing system having pressure indicator |
Aug. 4, 1998 |
| 5739434 |
Formed metal diaphragm with improved cycle life |
Apr. 14, 1998 |
| 5708210 |
Pressure monitoring isolating device |
Jan. 13, 1998 |
| 5670721 |
Capacitive pressure sensor with heated electrodes |
Sep. 23, 1997 |
| 5670720 |
Wire-wrap low pressure sensor for pressurized gas inflators |
Sep. 23, 1997 |
| 5602339 |
Injection molding machine pressure transducer with trapezoidal cavity |
Feb. 11, 1997 |
| 5505092 |
Non-invasive fluid condition sensing transducer |
Apr. 9, 1996 |
| 5490424 |
Pressure sensor with moisture resistance and uniform characteristics |
Feb. 13, 1996 |
| 5440932 |
Pressure transducer including coaxial rings |
Aug. 15, 1995 |
| 5401139 |
Pumping system |
Mar. 28, 1995 |
| 5360331 |
Injection molding machine pressure transducer |
Nov. 1, 1994 |
| 5273407 |
Homogenizing system having improved fluid flow path |
Dec. 28, 1993 |
| 5187983 |
Fiber-optic strain gauge manometer |
Feb. 23, 1993 |
| 5154083 |
Instrument insolator and method of making same |
Oct. 13, 1992 |
| 5142904 |
Isothermally measured tire gauge |
Sep. 1, 1992 |
| 5118914 |
Protective device for machining heads |
Jun. 2, 1992 |
| 5101666 |
Apparatus for detecting change of pressure in tubes |
Apr. 7, 1992 |
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