Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chidambaram Raghavan — 48 Patents

FIFlow International: 31 patents #2 of 96Top 3%
OMOmax: 13 patents #4 of 26Top 20%
FSFlow Systems: 2 patents #1 of 25Top 4%
FIFlow Industries: 1 patents #9 of 25Top 40%
Seattle, WA: #314 of 21,776 inventorsTop 2%
Washington: #1,215 of 76,902 inventorsTop 2%
Overall (All Time): #57,596 of 4,157,543Top 2%
48 Patents All Time
Chidambaram Raghavan has been granted 48 US patents while listed as an inventor at Flow International. The first was granted in 1987 and the most recent in September 2021. Chidambaram Raghavan ranks #57,596 of 4,157,543 US inventors in our database (top 1.4%). Patent records list Chidambaram Raghavan in Seattle, WA, US.

Patents per Year

Patents granted per year, 1987 to 2021Bar chart with a peak of 6 patents in 2000.peak 61987: 1 patents19871989: 1 patents1991: 1 patents1992: 1 patents19921993: 2 patents1994: 2 patents1995: 4 patents19951996: 3 patents1998: 2 patents1999: 2 patents19992000: 6 patents2001: 1 patents2004: 2 patents20042006: 1 patents2008: 2 patents2009: 1 patents20092010: 1 patents2012: 1 patents2013: 1 patents20132014: 1 patents2015: 3 patents2017: 4 patents20172018: 2 patents2020: 2 patents2021: 1 patents2021

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11125360 Mechanical processing of high aspect ratio metallic tubing and related technology Darren Stang, Erik Unangst 2021-09-21
10864613 Control valves for waterjet systems and related devices, systems, and methods John H. Olsen, Douglas Kelley, Olivier L. Tremoulet, Jr., Andre Kashierski, Kevin Hay 2020-12-15
10808688 High pressure pumps having a check valve keeper and associated systems and methods Darren Stang, Craig Rice 2020-10-20
10010999 Control valves for waterjet systems and related devices, systems, and methods John H. Olsen, Douglas Kelley, Olivier L. Tremoulet, Jr., Rick Marks, Andre Kashierski 2018-07-03
9976675 Mechanical processing of high aspect ratio metallic tubing and related technology Darren Stang 2018-05-22
9810205 Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems Darren Stang, Scott Veenhuizen 2017-11-07
9649744 Reducing small colloidal particle concentrations in feed and/or byproduct fluids in the context of waterjet processing Tanner Coker, Ann Hampton THOMAS, James M. O'Connor, John H. Olsen 2017-05-16
9638357 Mechanical processing of high aspect ratio metallic tubing and related technology Darren Stang, Craig Rice 2017-05-02
9610674 Control valves for waterjet systems and related devices, systems, and methods John H. Olsen, Douglas Kelley, Olivier L. Tremoulet, Jr., Andre Kashierski, Kevin Hay 2017-04-04
9095955 Control valves for waterjet systems and related devices, systems and methods John H. Olsen, Olivier L. Tremoulet, Jr., Rick Marks, Andre Kashierski 2015-08-04
9011204 Reducing small colloidal particle concentrations in feed and/or byproduct fluids in the context of waterjet processing Tanner Coker, Scott Thomas, James M. O'Connor, John H. Olsen 2015-04-21
9003955 Pump systems and associated methods for use with waterjet systems and other high pressure fluid systems Darren Stang, Scott Veenhuizen 2015-04-14
8904912 Control valves for waterjet systems and related devices, systems, and methods John H. Olsen, Douglas Kelley, Olivier L. Tremoulet, Jr., Andre Kashierski, Rick Marks +1 more 2014-12-09
8430430 High fatigue life fittings for high-pressure fluid systems Mohamed A. Hashish, Olivier L. Tremoulet, Jr., Shawn Michael Callahan, Bruce M. Schuman 2013-04-30 $1,738,000
8277206 Device and method for maintaining a static seal of a high pressure pump Kraig T. Kostohris, Katherine M. Madden, Shawn Michael Callahan, Sigurd C. Mordre, Mohamed A. Hashish +1 more 2012-10-02 $2,575,000
7748750 High fatigue life fittings for high-pressure fluid systems Mohamed A. Hashish, Olivier L. Tremoulet, Jr., Shawn Michael Callahan, Bruce M. Schuman 2010-07-06 $1,611,000
7635289 Contour follower Felice M. Sciulli, Robert J. Mann, Michael Knaupp, Charles M. Wakefield, Andrew P. Sterne 2009-12-22 $2,464,000
7367789 Device for maintaining a static seal of a high pressure pump Kraig T. Kostohris, Katherine M. Madden, Shawn Michael Callahan, Sigurd C. Mordre, Mohamed A. Hashish +1 more 2008-05-06 $4,455,000
7331842 Contour follower for tool Felice M. Sciulli, Andreas Meyer, Robert J. Mann, Michael Knaupp, Charles M. Wakefield +2 more 2008-02-19 $3,290,000
D515675 Element for a superpressure static fluid seal Olivier L. Tremoulet, Jr., Lennart Svensson, Mohamed A. Hashish 2006-02-21
6804459 Method and apparatus for changing the temperature of a pressurized fluid Edmund Y. Ting, Bruce M. Schuman, Mohamed A. Hashish 2004-10-12 $414,000
6736407 Static fluid seals and seal assemblies for ultrahigh pressure fluid containment Olivier L. Tremoulet, Jr., Lennart Svensson, Mohamed A. Hashish 2004-05-18 $684,000
6305913 Pressure processing a pumpable substance with a flexible membrane Mohamed A. Hashish, Olivier L. Tremoulet, Jr., Bruce M. Schuman 2001-10-23 $1,916,000
6158981 Method and apparatus for aseptic pressure-processing of pumpable substances Bruce M. Schuman, Curtis L. Anderson, Edmund Y. Ting 2000-12-12 $1,780,000
6145845 Biased seal assembly for high pressure fluid pump Olivier L. Tremoulet, Jr., Katherine M. Madden 2000-11-14 $1,782,000