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USPTO Patent Rankings Data through Dec 31, 2025
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David R. Pendleton — 13 Patents

DADover Associates: 7 patents #7 of 107Top 7%
DFDelaware Capital Formation: 6 patents #34 of 626Top 6%
Lancaster, OH: #59 of 666 inventorsTop 9%
Ohio: #5,928 of 73,341 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
David R. Pendleton has been granted 13 US patents while listed as an inventor at Dover Associates. The first was granted in 1992 and the most recent in May 2007. David R. Pendleton ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David R. Pendleton in Lancaster, OH, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7213610 Drop tube segments adapted for use with a liquid reservoir and methods James E. Kesterman, Kristopher A. Kane 2007-05-08
7128102 Drop tube segments adapted for use with a liquid reservoir James E. Kesterman, Kristopher A. Kane 2006-10-31
7069965 Drop tube inserts and apparatus adapted for use with a riser pipe James E. Kesterman, Kristopher A. Kane 2006-07-04
6523581 Apparatus and method for minimizing vapor loss James E. Kesterman 2003-02-25
6182679 Sump stabilizer bar 2001-02-06
6039201 Reinforcing flange for underground sump James E. Kesterman 2000-03-21
5819975 Dispenser sump James E. Kesterman 1998-10-13 $37,036,000
5813797 Unitary sump frame John Joseph Matracia 1998-09-29 $14,449,000
5564464 Storage tank shut-off valve James E. Kesterman 1996-10-15 $19,078,000
5454602 Fuel hose breakaway unit Paul B. Anderson, Donald L. Leininger, Paul H. Siegel, Lawerence L. Blasch 1995-10-03 $8,470,000
5232028 Vapor recovery drop tubes Charles A. Sunderhaus 1993-08-03 $10,222,000
5222520 Fuel hose breakaway unit Paul B. Anderson, Donald L. Leininger, Paul H. Siegel, Lawerence L. Blasch 1993-06-29 $4,600,000
5135029 Fuel hose breakaway unit Paul B. Anderson, Donald L. Leininger, Paul H. Siegel, Lawerence L. Blasch 1992-08-04 $11,438,000