US199340A
(en)
*
|
|
1878-01-15 |
|
Improvement in dies for forming articles of plastic materials |
US38231A
(en)
*
|
|
1863-04-21 |
|
Device to prevent counterfeiting bank-notes |
US12935A
(en)
*
|
|
1855-05-22 |
|
Francis s |
US139791A
(en)
*
|
|
1873-06-10 |
|
Improvement in attachments to car-axle boxes |
US171710A
(en)
*
|
|
1876-01-04 |
|
Improvement in thill-couplings |
US216509A
(en)
*
|
|
1879-06-17 |
|
Improvement in repairing-lasts |
US100883A
(en)
*
|
|
1870-03-15 |
|
Elisha h |
US227538A
(en)
*
|
|
1880-05-11 |
|
Car-coupling |
US74312A
(en)
*
|
|
1868-02-11 |
|
Improved metallic column |
US20603A
(en)
*
|
|
1858-06-15 |
|
Improvement in seed-drills |
US89161A
(en)
*
|
|
1869-04-20 |
|
Improvement in door-locks |
US61060A
(en)
*
|
|
1867-01-08 |
|
Eobeet faeies |
US53809A
(en)
*
|
|
1866-04-10 |
|
Improvement in bag-holders |
US188771A
(en)
*
|
|
1877-03-27 |
|
Improvement in cutter-heads |
US226386A
(en)
*
|
|
1880-04-13 |
|
Aethue e |
US138993A
(en)
*
|
|
1873-05-20 |
|
Improvement in electrical stops for spinning-machinery |
US11141A
(en)
*
|
|
1854-06-20 |
|
Tentering cloth |
US125166A
(en)
*
|
|
1872-04-02 |
|
Improvement in gas-engines |
US159904A
(en)
*
|
|
1875-02-16 |
|
Improvement in eyel |
US125170A
(en)
*
|
|
1872-04-02 |
|
Improvement in preparing grain for grinding |
US199341A
(en)
*
|
|
1878-01-15 |
|
Improvement in gates |
US255695A
(en)
*
|
|
1882-03-28 |
|
Francis m |
US6409A
(en)
*
|
|
1849-05-01 |
|
Bight or left habtd lock |
US136186A
(en)
*
|
|
1873-02-25 |
|
Improvement in inkstand-fillers |
US123852A
(en)
*
|
|
1872-02-20 |
|
Improvement in sewing-machines |
US397683A
(en)
*
|
|
1889-02-12 |
|
Molds |
US125169A
(en)
*
|
|
1872-04-02 |
|
Improvement in grain-bins |
US37385A
(en)
*
|
|
1863-01-13 |
|
Improvement in machines for manufacturing chenille |
US643310A
(en)
*
|
1899-10-10 |
1900-02-13 |
Luther Trabue |
Picket fence.
|
US1296620A
(en)
*
|
1917-02-07 |
1919-03-11 |
Burke Electric Company |
Alternating-current motor.
|
US2874568A
(en)
*
|
1955-12-07 |
1959-02-24 |
Gulton Ind Inc |
Ultrasonic flowmeter
|
GB1158790A
(en)
*
|
1965-12-29 |
1969-07-16 |
Solartron Electronic Group |
Improvements in Fluid Density Meters
|
US3715709A
(en)
*
|
1970-01-14 |
1973-02-06 |
Nusonics |
Sing-around velocimeter
|
US3885432A
(en)
*
|
1972-03-06 |
1975-05-27 |
Fischer & Porter Co |
Vortex-type mass flowmeters
|
US3952578A
(en)
*
|
1974-10-07 |
1976-04-27 |
The United States Of America As Represented By The Secretary Of The Department Of Health, Education And Welfare |
Scanning ultrasonic spectrograph for fluid analysis
|
US4004461A
(en)
*
|
1975-11-07 |
1977-01-25 |
Panametrics, Inc. |
Ultrasonic measuring system with isolation means
|
US4032259A
(en)
*
|
1976-01-08 |
1977-06-28 |
E. I. Du Pont De Nemours And Company |
Method and apparatus for measuring fluid flow in small bore conduits
|
US4080837A
(en)
*
|
1976-12-03 |
1978-03-28 |
Continental Oil Company |
Sonic measurement of flow rate and water content of oil-water streams
|
US4144754A
(en)
*
|
1977-03-18 |
1979-03-20 |
Texaco Inc. |
Multiphase fluid flow meter
|
US4262523A
(en)
*
|
1977-12-09 |
1981-04-21 |
The Solartron Electronic Group Limited |
Measurement of fluid density
|
DE2856032A1
(de)
*
|
1978-01-03 |
1979-07-12 |
Coulthard John |
Vorrichtung und verfahren zum messen der geschwindigkeit einer relativbewegung zwischen einem ersten koerper und einem zweiten koerper bzw. einem stroemungsmittel
|
US4320659A
(en)
*
|
1978-02-27 |
1982-03-23 |
Panametrics, Inc. |
Ultrasonic system for measuring fluid impedance or liquid level
|
US4195517A
(en)
*
|
1978-12-18 |
1980-04-01 |
The Foxboro Company |
Ultrasonic flowmeter
|
US4445389A
(en)
*
|
1981-09-10 |
1984-05-01 |
The United States Of America As Represented By The Secretary Of Commerce |
Long wavelength acoustic flowmeter
|
US4520320A
(en)
*
|
1981-09-10 |
1985-05-28 |
The United States Of America As Represented By The Secretary Of Commerce |
Synchronous phase marker and amplitude detector
|
US4580444A
(en)
*
|
1984-02-10 |
1986-04-08 |
Micro Pure Systems, Inc. |
Ultrasonic determination of component concentrations in multi-component fluids
|
US4677305A
(en)
*
|
1985-06-28 |
1987-06-30 |
Simmonds Precision Products, Inc. |
Opto-acoustic fuel quantity gauging system
|
US5349852A
(en)
*
|
1986-03-04 |
1994-09-27 |
Deka Products Limited Partnership |
Pump controller using acoustic spectral analysis
|
US4717159A
(en)
*
|
1986-06-06 |
1988-01-05 |
Dieterich Standard Corp. |
Method and apparatus for seating and sealing a pitot tube type flow meter in a pipe
|
US4823613A
(en)
*
|
1986-10-03 |
1989-04-25 |
Micro Motion, Inc. |
Density insensitive coriolis mass flow rate meter
|
US4902961A
(en)
*
|
1987-04-08 |
1990-02-20 |
Chevron Research Company |
Microwave system for monitoring water content in a petroleum pipeline
|
NO166379C
(no)
*
|
1987-12-18 |
1991-07-10 |
Sensorteknikk As |
Fremgangsmaate for registrering av flerfase stroemninger gjennom et transportsystem.
|
US4896540A
(en)
*
|
1988-04-08 |
1990-01-30 |
Parthasarathy Shakkottai |
Aeroacoustic flowmeter
|
US4932262A
(en)
*
|
1989-06-26 |
1990-06-12 |
General Motors Corporation |
Miniature fiber optic pressure sensor
|
US5101163A
(en)
*
|
1989-10-04 |
1992-03-31 |
Agar Corporation Ltd. |
Oil/water measurement
|
US5224372A
(en)
*
|
1990-05-14 |
1993-07-06 |
Atlantic Richfield Company |
Multi-phase fluid flow measurement
|
GB9109074D0
(en)
*
|
1991-04-26 |
1991-06-12 |
Shell Int Research |
A method and apparatus for measuring the gas and the liquid flowrate and the watercut of multiphase mixtures of oil,water and gas flowing through a pipeline
|
US5218197A
(en)
*
|
1991-05-20 |
1993-06-08 |
The United States Of America As Represented By The Secretary Of The Navy |
Method and apparatus for the non-invasive measurement of pressure inside pipes using a fiber optic interferometer sensor
|
US5285675A
(en)
*
|
1992-06-05 |
1994-02-15 |
University Of Florida Research Foundation, Inc. |
Acoustic fluid flow monitoring
|
US5289726A
(en)
*
|
1992-09-22 |
1994-03-01 |
National Science Council |
Ring type vortex flowmeter and method for measuring flow speed and flow rate using said ring type vortex flowmeter
|
US5398542A
(en)
*
|
1992-10-16 |
1995-03-21 |
Nkk Corporation |
Method for determining direction of travel of a wave front and apparatus therefor
|
FI94909C
(fi)
*
|
1994-04-19 |
1995-11-10 |
Valtion Teknillinen |
Akustinen virtausmittausmenetelmä ja sitä soveltava laite
|
FR2720498B1
(fr)
*
|
1994-05-27 |
1996-08-09 |
Schlumberger Services Petrol |
Débitmètre multiphasique.
|
US5415048A
(en)
*
|
1994-06-27 |
1995-05-16 |
Texaco Inc. |
Acoustic gas-liquid flow meter
|
US5594180A
(en)
*
|
1994-08-12 |
1997-01-14 |
Micro Motion, Inc. |
Method and apparatus for fault detection and correction in Coriolis effect mass flowmeters
|
US5741980A
(en)
*
|
1994-11-02 |
1998-04-21 |
Foster-Miller, Inc. |
Flow analysis system and method
|
US5524475A
(en)
*
|
1994-11-10 |
1996-06-11 |
Atlantic Richfield Company |
Measuring vibration of a fluid stream to determine gas fraction
|
JP3216769B2
(ja)
*
|
1995-03-20 |
2001-10-09 |
富士電機株式会社 |
クランプオン型超音波流量計における温度圧力補償方法
|
FR2740215B1
(fr)
*
|
1995-10-19 |
1997-11-21 |
Inst Francais Du Petrole |
Methode et dispositif pour mesurer un parametre d'un fluide de densite variable
|
US5625140A
(en)
*
|
1995-12-12 |
1997-04-29 |
Lucent Technologies Inc. |
Acoustic analysis of gas mixtures
|
US5708211A
(en)
*
|
1996-05-28 |
1998-01-13 |
Ohio University |
Flow regime determination and flow measurement in multiphase flow pipelines
|
US5932793A
(en)
*
|
1996-08-01 |
1999-08-03 |
Gas Research Institute |
Apparatus and method for determining thermophysical properties using an isochoric approach
|
GB2318414B
(en)
*
|
1996-10-19 |
2001-02-14 |
Univ Cranfield |
Improvements relating to flow measurement
|
DE19722274A1
(de)
*
|
1997-05-28 |
1998-12-03 |
Degussa |
Verfahren zur Messung von Dichte und Massenstrom
|
US6016702A
(en)
*
|
1997-09-08 |
2000-01-25 |
Cidra Corporation |
High sensitivity fiber optic pressure sensor for use in harsh environments
|
AU746996B2
(en)
*
|
1998-06-26 |
2002-05-09 |
Weatherford Technology Holdings, Llc |
Fluid parameter measurement in pipes using acoustic pressures
|
US6354147B1
(en)
*
|
1998-06-26 |
2002-03-12 |
Cidra Corporation |
Fluid parameter measurement in pipes using acoustic pressures
|
CA2362605A1
(en)
*
|
1999-02-25 |
2000-08-31 |
Tadeusz M. Drzewiecki |
Methods and apparatus for real time fluid analysis
|
US6837332B1
(en)
*
|
1999-03-22 |
2005-01-04 |
Halliburton Energy Services, Inc. |
Method and apparatus for cancellation of unwanted signals in MWD acoustic tools
|
US6233374B1
(en)
*
|
1999-06-04 |
2001-05-15 |
Cidra Corporation |
Mandrel-wound fiber optic pressure sensor
|
US6502466B1
(en)
*
|
1999-06-29 |
2003-01-07 |
Direct Measurement Corporation |
System and method for fluid compressibility compensation in a Coriolis mass flow meter
|
US6536291B1
(en)
*
|
1999-07-02 |
2003-03-25 |
Weatherford/Lamb, Inc. |
Optical flow rate measurement using unsteady pressures
|
DE60036472D1
(de)
*
|
1999-07-02 |
2007-10-31 |
Weatherford Lamb |
Durchflussmessung unter verwendung von instabilen drücken
|
US6691584B2
(en)
*
|
1999-07-02 |
2004-02-17 |
Weatherford/Lamb, Inc. |
Flow rate measurement using unsteady pressures
|
US6502465B1
(en)
*
|
1999-09-27 |
2003-01-07 |
Ohio University |
Determining gas and liquid flow rates in a multi-phase flow
|
US6335959B1
(en)
*
|
1999-10-04 |
2002-01-01 |
Daniel Industries, Inc. |
Apparatus and method for determining oil well effluent characteristics for inhomogeneous flow conditions
|
US6378357B1
(en)
*
|
2000-03-14 |
2002-04-30 |
Halliburton Energy Services, Inc. |
Method of fluid rheology characterization and apparatus therefor
|
US6672163B2
(en)
*
|
2000-03-14 |
2004-01-06 |
Halliburton Energy Services, Inc. |
Acoustic sensor for fluid characterization
|
US6349599B1
(en)
*
|
2000-05-02 |
2002-02-26 |
Panametrics, Inc. |
Layered ultrasonic coupler
|
US6550342B2
(en)
*
|
2000-11-29 |
2003-04-22 |
Weatherford/Lamb, Inc. |
Circumferential strain attenuator
|
US6558036B2
(en)
*
|
2000-11-29 |
2003-05-06 |
Weatherford/Lamb, Inc. |
Non-intrusive temperature sensor for measuring internal temperature of fluids within pipes
|
US6898541B2
(en)
*
|
2000-12-04 |
2005-05-24 |
Weatherford/Lamb, Inc. |
Method and apparatus for determining component flow rates for a multiphase flow
|
JP2003075219A
(ja)
*
|
2001-09-06 |
2003-03-12 |
Kazumasa Onishi |
クランプオン型超音波流量計
|
US6698297B2
(en)
*
|
2002-06-28 |
2004-03-02 |
Weatherford/Lamb, Inc. |
Venturi augmented flow meter
|
US7032432B2
(en)
*
|
2002-01-23 |
2006-04-25 |
Cidra Corporation |
Apparatus and method for measuring parameters of a mixture having liquid droplets suspended in a vapor flowing in a pipe
|
US6871148B2
(en)
*
|
2002-07-02 |
2005-03-22 |
Battelle Memorial Institute |
Ultrasonic system and technique for fluid characterization
|
AU2003255235A1
(en)
*
|
2002-08-08 |
2004-02-25 |
Cidra Corporation |
Apparatus and method for measuring multi-phase flows in pulp and paper industry applications
|
US6945095B2
(en)
*
|
2003-01-21 |
2005-09-20 |
Weatherford/Lamb, Inc. |
Non-intrusive multiphase flow meter
|
US6837098B2
(en)
*
|
2003-03-19 |
2005-01-04 |
Weatherford/Lamb, Inc. |
Sand monitoring within wells using acoustic arrays
|
US7134320B2
(en)
*
|
2003-07-15 |
2006-11-14 |
Cidra Corporation |
Apparatus and method for providing a density measurement augmented for entrained gas
|