Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert W. Allington — 87 Patents

IIIsco International: 76 patents #2 of 51Top 4%
TITeledyne Isco: 6 patents #2 of 11Top 20%
DIDionex: 3 patents #37 of 171Top 25%
Lincoln, NE: #7 of 1,303 inventorsTop 1%
Nebraska: #18 of 5,697 inventorsTop 1%
Overall (All Time): #19,150 of 4,157,543Top 1%
87 Patents All Time
Robert W. Allington has been granted 87 US patents. The first was granted in 1980 and the most recent in April 2011. Robert W. Allington ranks #19,150 of 4,157,543 US inventors in our database (top 0.46%). Patent records list Robert W. Allington in Lincoln, NE, US.

Issued Patents All Time

Showing 1–25 of 87 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7922909 Separation system, components of a separation system and methods of making and using them Shaofeng Xie, Tao Jiang, Mingcheng Xu 2011-04-12 $6,467,000
7922908 Separation system, components of a separation system and methods of making and using them Shaofeng Xie, Tao Jiang, Mingcheng Xu 2011-04-12 $6,467,000
7413659 Liquid chromatographic method and system Dale A. Davison, Scott Blakley 2008-08-19
7351334 Liquid chromatographic method and system Scott Blakley, Dale A. Davison 2008-04-01
7195461 Liquid chromatographic method and system Dale A. Davison, Scott Blakley 2007-03-27
7074331 Separation system, components of a separation system and methods of making and using them Shaofeng Xie, Tao Jiang, Mingcheng Xu 2006-07-11 $3,231,000
7037081 High pressure reciprocating pump and control of the same Scott Blakley, Henry L. Walters 2006-05-02
6997683 High pressure reciprocating pump and control of the same Scott Blakley, Henry L. Walters 2006-02-14
6904784 Liquid chromatographic method and system Dale A. Davison, Scott Blakley 2005-06-14
6749749 Separation system, components of a separation system and methods of making and using them Shaofeng Xie 2004-06-15 $1,317,000
6319410 Apparatus and method for super critical fluid extraction Daniel G. Jameson, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani 2001-11-20 $854,000
6296769 Multi-chambered supercritical fluid extraction cartridge and processes using it Henry L. Walters, Dale Messer, Dale L. Clay 2001-10-02 $905,000
6294088 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography Henry L. Walters, Daniel G. Jameson, Yoossef Tehrani 2001-09-25 $913,000
6251267 Apparatus for supercritical fluid extraction Daniel G. Jameson, Robin R. Winter, Dale L. Clay 2001-06-26 $966,000
6241890 Apparatus and method for supercritical fluid extraction Dale L. Clay, Philip Bernard Liescheski, III, Robin R. Winter, Daniel G. Jameson 2001-06-05 $961,000
6149814 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography Henry L. Walters, Daniel G. Jameson, Yoossef Tehrani 2000-11-21 $714,000
6086767 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography Henry L. Walters, Daniel G. Jameson, Yoossef Tehrani 2000-07-11 $647,000
6083399 Apparatus and method for supercritical fluid extraction Daniel G. Jameson, Robert Macomber 2000-07-04
6071408 Apparatus and method for supercritical fluid extraction Daniel G. Jameson, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani 2000-06-06 $762,000
5994146 Water impurity analysis method Paul George Wright, Curtis W. Nicholls, Clifford LaRue McDonald, Jr. 1999-11-30 $618,000
5932095 Multi-chambered supercritical fluid extraction cartridge Henry L. Walters, Dale Messer, Dale L. Clay 1999-08-03 $614,000
5911881 Apparatus and method for collecting analyte in supercritical fluid extraction Dale L. Clay, Philip Bernard Liescheski, III, Robin R. Winter, Daniel G. Jameson 1999-06-15 $592,000
5843294 Capillary electrophoresis sample injection technique 1998-12-01 $155,000
5755559 Apparatus and method for pumping supercritical fluid and measuring flow thereof Daniel G. Jameson, Dale A. Davison, Dale L. Clay, Robin R. Winter, Yoossef Tehrani 1998-05-26 $657,000
5750027 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography Henry L. Walters, Daniel G. Jameson, Yoossef Tehrani 1998-05-12 $649,000