Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WB

William J. Buttner — 3 Patents

KEKwj Engineering: 1 patents #4 of 9Top 45%
TRTransducer Research: 1 patents #4 of 9Top 45%
Lockheed Martin: 1 patents #2,818 of 6,507Top 45%
Naperville, IL: #1,067 of 3,051 inventorsTop 35%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
William J. Buttner has been granted 3 US patents while listed as an inventor at Kwj Engineering. The first was granted in 1995 and the most recent in January 2012. William J. Buttner ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William J. Buttner in Naperville, IL, US.

Patents per Year

Patents granted per year, 1995 to 2012Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19951999: 1 patents19992012: 1 patents2012

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8105539 Chemical sensor for hydrazine Joseph R. Stetter 2012-01-31
5942440 Method for detecting organic contaminants in water supplies Kirk J. Dooley, Scott L. Barrie 1999-08-24 $29,845,000
5448905 Solid-state chemical sensor apparatus and methods Joseph R. Stetter 1995-09-12