Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Evans — 59 Patents

ECEvans Capacitor: 10 patents #1 of 4Top 25%
DTDna Plant Technology: 9 patents #1 of 67Top 2%
TCThe Evans Findings Company: 6 patents #1 of 1Top 100%
Harvard University: 6 patents #309 of 3,600Top 9%
UNU.S. Nutraceuticals: 5 patents #5 of 10Top 50%
DLDrg (Uk) Limited: 3 patents #1 of 17Top 6%
CSCampbell Soup: 2 patents #29 of 187Top 20%
FOFoster-Miller: 2 patents #89 of 327Top 30%
HUHarvard University: 2 patents #1 of 31Top 4%
RTX (Raytheon): 2 patents #5,352 of 15,912Top 35%
CGCovalent Group: 1 patents #16 of 28Top 60%
IBM: 1 patents #44,878 of 70,183Top 65%
EAE.I. Du Pont De Nemours And: 1 patents #6,763 of 12,129Top 60%
GIGiner: 1 patents #21 of 56Top 40%
Seekonk, MA: #1 of 86 inventorsTop 2%
Massachusetts: #847 of 88,656 inventorsTop 1%
Overall (All Time): #40,067 of 4,157,543Top 1%
59 Patents All Time
David A. Evans has been granted 59 US patents while listed as an inventor at Evans Capacitor. The first was granted in 1984 and the most recent in October 2016. David A. Evans ranks #40,067 of 4,157,543 US inventors in our database (top 0.96%). Patent records list David A. Evans in Seekonk, MA, US.

Patents per Year

Patents granted per year, 1984 to 2016Bar chart with a peak of 6 patents in 1987.peak 61984: 1 patents19841987: 6 patents1988: 4 patents1989: 6 patents19891990: 2 patents1991: 6 patents1992: 2 patents19921993: 3 patents1994: 2 patents1995: 3 patents19951996: 3 patents1998: 3 patents1999: 2 patents19992000: 1 patents2003: 3 patents2004: 2 patents20042005: 1 patents2006: 1 patents2008: 1 patents20082011: 3 patents2012: 2 patents2014: 1 patents20142016: 1 patents2016

Issued Patents All Time

Showing 1–25 of 59 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9472349 Sintered article, particularly for low ESR capacitor anodes 2016-10-18
8741214 Sintering method, particularly for forming low ESR capacitor anodes 2014-06-03
8202541 Dietary supplement composition for blood lipid health W. Stephen Hill 2012-06-19
8202543 Dietary supplement composition for blood lipid health W. Stephen Hill 2012-06-19
8062690 Dietary supplement composition for blood lipid health W. Stephen Hill 2011-11-22
8017153 Dietary supplement composition for blood lipid health W. Stephen Hill 2011-09-13
7959950 Dietary supplement composition for blood lipid health W. Stephen Hill 2011-06-14
7324329 Electrochemical-electrolytic capacitor and method of making the same Badawi M. Dweik, John Forchione, Mourad Manoukian, John A. Kosek, Anthony B. LaConti 2008-01-29
6998466 Process for extracting flax protein concentrate from flax meal Leif Nennerfelt, Willie Ten Haaf 2006-02-14
6861131 Hybrid composite articles and methods for their production 2005-03-01
6721170 Packaged hybrid capacitor Thomas A. Murphy 2004-04-13
6707660 Prismatic capacitor Ross Blakeney 2004-03-16
6616971 Composite articles including prepregs, preforms, laminates and sandwich moldings, and methods of making the same 2003-09-09
6594140 Capacitor John R. Miller 2003-07-15
6576524 Method of making a prismatic capacitor Ross Blakeney 2003-06-10
6094339 Capacitor with spiral anode and planar cathode 2000-07-25
5982609 Capacitor 1999-11-09
5973913 Nonaqueous electrical storage device Alan B. McEwen, Thomas J. Blakley, Jay L. Goldman 1999-10-26 $673,000
5786980 Electrical component package and packaged electrical component 1998-07-28
5754394 Capacitor including a cathode having a nitride coating John R. Miller 1998-05-19
5737181 Capacitor 1998-04-07
5559667 Capacitor including serially connected capacitor cells employing a solid electrolyte 1996-09-24
5552158 Skin care composition Uy Nguyen 1996-09-03
5489745 High pigment, reduced blossom end scar size, disease resistant tomato varieties Robert A. Morrison 1996-02-06 $968,000
5469325 Capacitor 1995-11-21