Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Sibthorp — 1 Patent

CCCompressor Controls: 1 patents #21 of 30Top 70%
Ankeny, IA: #264 of 408 inventorsTop 65%
Iowa: #8,818 of 15,303 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert J. Sibthorp has been granted 1 US patent while listed as an inventor at Compressor Controls. All of these patents were granted in 1994. Robert J. Sibthorp ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert J. Sibthorp in Ankeny, IA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5347467 Load sharing method and apparatus for controlling a main gas parameter of a compressor station with multiple dynamic compressors Naum Staroselsky, Saul Mirsky, Paul Reinke, Paul Marvin Negley 1994-09-13