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

Robert Franklin — 8 Patents

Chevron: 5 patents #901 of 4,788Top 20%
PPPhillips Petroleum: 3 patents #881 of 2,506Top 40%
LPLawrence Pump: 1 patents #4 of 10Top 40%
Houston, TX: #2,918 of 21,073 inventorsTop 15%
Texas: #19,067 of 125,132 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Robert Franklin has been granted 8 US patents while listed as an inventor at Chevron. The first was granted in 2001 and the most recent in February 2016. Robert Franklin ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert Franklin in Houston, TX, US.

Patents per Year

Patents granted per year, 2001 to 2016Bar chart with a peak of 2 patents in 2004.peak 22001: 1 patents20012004: 2 patents20042006: 2 patents20062010: 1 patents20102013: 1 patents20132016: 1 patents2016

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9266974 Pumping apparatus and process for polymerization in loop reactors John D. Hottovy, Dale A. Zellers, Donald Paul Russell 2016-02-23
8354063 Pumping apparatus and process for polymerization in loop reactors John D. Hottovy, Dale A. Zellers, Donald Paul Russell 2013-01-15
7736597 Pumping apparatus and process for polymerization in loop reactors John D. Hottovy, Dale A. Zellers, Donald Paul Russell 2010-06-15
7033545 Slurry polymerization reactor having large length/diameter ratio Scott E. Kufeld, Thomas Alan Reid, John H. Tait, David H. Burns, Donald W. Verser +5 more 2006-04-25
7014821 Pumping apparatus for slurry polymerization in loop reactors John D. Hottovy, Dale A. Zellers 2006-03-21
6806324 High solids slurry polymerization using heat exchange to condense the flashed diluent John D. Hottovy, Harvey Hensley, David Przelomski, Teddy Cymbaluk, Ethelwoldo Perez 2004-10-19 $254,474,000
6743869 High polymer solids slurry polymerization employing 1-olefin comonomer John D. Hottovy, Harvey Hensley, David Przelomski, Teddy Cymbaluk, Ethelwoldo Perez 2004-06-01 $202,711,000
6239235 High solids slurry polymerization John D. Hottovy, Harvey Hensley, David Przelomski, Teddy Cymbaluk, Ethelwoldo Perez 2001-05-29 $39,207,000