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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas E. Allen — 36 Patents

HSHalliburton Energy Services: 10 patents #773 of 5,294Top 15%
SGServa Group: 4 patents #1 of 6Top 20%
Ford: 2 patents #6,478 of 17,473Top 40%
ASAmerican Standard: 2 patents #231 of 558Top 45%
LILibbey-Owens-Ford: 1 patents #103 of 210Top 50%
NVIDIA: 1 patents #4,387 of 7,811Top 60%
Pasadena, CA: #64 of 3,212 inventorsTop 2%
California: #13,468 of 386,348 inventorsTop 4%
Overall (All Time): #92,222 of 4,157,543Top 3%
36 Patents All Time
Thomas E. Allen has been granted 36 US patents. The first was granted in 1984 and the most recent in March 2014. Thomas E. Allen ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Thomas E. Allen in Pasadena, CA, US.

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8668466 Variable displacement reciprocating pump 2014-03-11
8511887 Straight through cement mixer 2013-08-20
8215823 Straight through cement mixer 2012-07-10
8192070 Straight through cement mixer 2012-06-05
7811064 Variable displacement reciprocating pump 2010-10-12
7614276 Method for determining absolute density of cement slurry 2009-11-10
7600414 Method for determining absolute density of cement slurry 2009-10-13
7581872 Gel mixing system 2009-09-01
7434473 Flow through pressure transducer 2008-10-14
7419296 Gel mixing system 2008-09-02
7223013 First in first out hydration tanks 2007-05-29
7029165 Automatically adjusting annular jet mixer 2006-04-18
6994100 Metering valve 2006-02-07
6802638 Automatically adjusting annular jet mixer 2004-10-12
6789565 Metering valve 2004-09-14
6749330 Cement mixing system for oil well cementing 2004-06-15
6189386 Method of using a microscopic digital imaging strain gauge Fang Chen, Anthony M. Waas, Everett Kuo, Howard Kiel Plummer, Jr. 2001-02-20 $82,431,000
6070906 Wheeled ski and equipment carrying device 2000-06-06
5920383 Microscopic digital imaging strain gauge Fang Chen, Anthony M. Waas, Everett Kuo, Howard Kiel Plummer, Jr. 1999-07-06 $81,559,000
5829103 Pencil holder for soft baseball type hats 1998-11-03
5571281 Automatic cement mixing and density simulator and control system and equipment for oil well cementing 1996-11-05
5426137 Method for continuously mixing fluids 1995-06-20 $21,763,000
5393224 Ignitor assembly for power burner furnace William G. Hansen, Edward D. Hildreth, Jr. 1995-02-28
5382411 Apparatus and method for continuously mixing fluids 1995-01-17 $5,653,000
5355951 Method of evaluating oil or gas well fluid process Gary D. Arnold, Leonard R. Case, Mark A. Clark, Gary E. Folmnsbee, Jerry L. Gammill +4 more 1994-10-18 $2,513,000