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USPTO Patent Rankings Data through Dec 31, 2025
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John L. Feaster — 15 Patents

MDMachine Design: 11 patents #3 of 4Top 75%
EAE.I. Du Pont De Nemours And: 4 patents #2,947 of 12,129Top 25%
Columbia, SC: #50 of 1,151 inventorsTop 5%
South Carolina: #888 of 15,501 inventorsTop 6%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
John L. Feaster has been granted 15 US patents while listed as an inventor at Machine Design. The first was granted in 2003 and the most recent in June 2009. John L. Feaster ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list John L. Feaster in Columbia, SC, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7540906 Metal salts of hydrolyzed olefin/maleic anhydride copolymers and their use as wood preservatives Albert G. Anderson, Damini Patel, Mark A. Scialdone 2009-06-02 $15,744,000
7497901 Tungstate and molybate wood preservatives Albert G. Anderson, Damini Patel, Mark A. Scialdone 2009-03-03 $12,453,000
7462227 Ibuprofen complexes as wood preservatives Albert G. Anderson, Damini Patel, Mark A. Scialdone 2008-12-09 $16,672,000
7427316 Tropolone complexes as wood preservatives Albert G. Anderson, Damini Patel, Mark A. Scialdone 2008-09-23 $29,595,000
7197977 Apparatus for successively delivering nuts to a high production nutcracker James B. Quantz, Pascal W. Pitts 2007-04-03
7194950 Apparatus for successively delivering nuts to a high production nutcracker James B. Quantz, Pascal W. Pitts 2007-03-27
D519529 Cracking die for a nutcracking die assembly James B. Quantz, Pascal W. Pitts 2006-04-25
7028608 High production nutcracking apparatus having provision for maintaining the nuts in clean and sterile condition James B. Quantz, Pascal W. Pitts 2006-04-18
D509517 Housing for a high speed nutcracking apparatus having improved accessibility James B. Quantz, Pascal W. Pitts 2005-09-13
6851353 Nut transport element for use in high production nutcracking apparatus James B. Quantz, Pascal W. Pitts 2005-02-08
6772680 High production nutcracking apparatus with sealed lubrication system James B. Quantz, Pascal W. Pitts 2004-08-10
6766732 Cracking die assembly for high production nutcracking apparatus James B. Quantz, Pascal W. Pitts 2004-07-27
D490445 Cracking die for a nutcracking die assembly James B. Quantz, Pascal W. Pitts 2004-05-25
6588328 Cracking unit for high production nutcracking apparatus James B. Quantz, Pascal W. Pitts 2003-07-08
6584890 High production nutcracking apparatus for processing relatively small nuts James B. Quantz, Pascal W. Pitts 2003-07-01