Pressure indicator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO

8667848

APP PUB NO

20120090397A1

SERIAL NO

13226023

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pressure indicator for indicating pressure of a pressure source. The indicator comprises a first reservoir which defines a first enclosed volume having a first inlet pipe for communication between the first enclosed volume and a first source of pressurized fluid. A passage which provides a flow path for the pressurized fluid.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ROLLS-ROYCE PLCLONDON, GB1847

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Angus, Douglas J Elgin, GB 3 5
Fitzhugh, Alexander E H Bristol, GB 5 4

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
4517844 Fluid damping device for a compliant system 17 1983
4668889 Static overpressure protection system for differential pressure transducer 26 1986
 
MKS INSTRUMENTS, INC. (1)
2006/0156,824 TURBO SUMP FOR USE WITH CAPACITIVE PRESSURE SENSOR 3 2005
 
ENDRESS + HAUSER GMBH + CO. KG (1)
2005/0115,326 Differential pressure sensor with overload damping 5 2003
 
CLASS 1 (1)
2003/0131,666 Pressure sensing apparatus having pressure pulse dampener 5 2002
 
SCHLUMBERGER TECHNOLOGY CORPORATION (1)
5509312 Diaphragm pressure sensor including anti-stock protection means and gradiomanometer incorporating such a sensor 18 1994
 
DRESSER, INC. (1)
4413524 Pulsation throttling device for a pressure gauge 14 1982
 
KULITE SEMICONDUCTOR PRODUCTS, INC. (3)
2010/0018,319 APPARATUS AND METHOD FOR ELIMINATING VARYING PRESSURE FLUCTUATIONS IN A PRESSURE TRANSDUCER 3 2009
2010/0175,482 PRESSURE TRANSDUCER EMPLOYING A MICRO-FILTER AND EMULATING AN INFINITE TUBE PRESSURE TRANSDUCER 6 2010
2011/0185,818 APPARATUS AND METHOD FOR ELIMINATING VARYING PRESSURE FLUCTUATIONS IN A PRESSURE TRANSDUCER 3 2011
 
DANFOSS A/S (1)
2010/0064,815 PRESSURE SENSOR 3 2007
 
INFICON GMBH (1)
2007/0120,568 Shield arrangement for a vacuum cell 3 2006
 
ROLLS-ROYCE PLC (3)
2012/0090,397 PRESSURE INDICATOR 3 2011
* 2012/0090,530 PRESSURE INDICATOR 1 2011
* 2012/0090,531 PRESSURE INDICATOR 1 2011
 
STONERIDGE, INC. (1)
5343754 Pressure transducer 8 1993
 
TECHNISCHE UNIVERSITAET CHEMNITZ (1)
2010/0024,562 MEMS VACUUM SENSOR BASED ON THE FRICTION PRINCIPLE 6 2007
* Cited By Examiner

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