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

Robert P. Murphy — 8 Patents

SDSix Corners Development: 3 patents #3 of 4Top 75%
S(Standard Oil Company (Indiana): 2 patents #142 of 576Top 25%
TOThe Standard Oil: 1 patents #291 of 601Top 50%
Bixby, OK: #13 of 114 inventorsTop 15%
Oklahoma: #1,364 of 12,736 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Robert P. Murphy has been granted 8 US patents while listed as an inventor at Six Corners Development. The first was granted in 1981 and the most recent in August 2000. Robert P. Murphy ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert P. Murphy in Bixby, OK, US.

Patents per Year

Patents granted per year, 1981 to 2000Bar chart with a peak of 2 patents in 1984.peak 21981: 1 patents19811982: 1 patents19821983: 1 patents19831984: 2 patents19841998: 1 patents19981999: 1 patents19992000: 1 patents2000

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6098526 Automated corn popping apparatus with oil conduit system Andrew M. Stein, Andrew Jinks 2000-08-08
5925393 Method of popping corn Andrew M. Stein, Andrew Jinks 1999-07-20
5771779 Automated corn popping apparatus Andrew M. Stein, Andrew Jinks 1998-06-30
4482806 Multi-tracer logging technique Ovner R. Wagner, Jr., Dwight L. Dauben, Roger L. Smith 1984-11-13 $13,246,000
4423671 Floating knife assembly for a meat defatting machine with positive blade position 1984-01-03
4393761 Floating knife assembly for a meat defatting machine 1983-07-19
4349737 Determination of movable oil saturations Roger L. Smith 1982-09-14 $79,610,000
4281712 Minimizing clay and shale damage in a log-inject-log procedure Frank Jones 1981-08-04 $40,052,000