Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Christopher J. Rufer — 2 Patents

FMFmc: 1 patents #1,077 of 1,735Top 65%
Sacramento, CA: #524 of 1,687 inventorsTop 35%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Christopher J. Rufer has been granted 2 US patents while listed as an inventor at Fmc. The first was granted in 1994 and the most recent in September 1998. Christopher J. Rufer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Christopher J. Rufer in Sacramento, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5802961 Methods and apparatus for particulate heat exchange and transfer Lloyd F. Hay, Jerry M. Hougland 1998-09-08 $8,763,000
5323911 Palletized container having discrete compartments formed by dividers James B. Johnston, Gordon K. Gardner, Jr., Joseph Pimentel, Verdis Upton, III 1994-06-28