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USPTO Patent Rankings Data through Dec 31, 2025
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Ralph Rackham — 5 Patents

FUFuelmaker: 3 patents #1 of 6Top 20%
Toronto, CA: #1,674 of 9,482 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ralph Rackham has been granted 5 US patents while listed as an inventor at Fuelmaker. The first was granted in 1994 and the most recent in September 2011. Ralph Rackham ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ralph Rackham in Toronto, ON, CA.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8016570 Gas compressor with drier and radio emission controls Anthony Chan, Tome Mojsov, Tracey Demaline, Filip Antanassov 2011-09-13
7011118 Residential compressor for refueling motor vehicles that operate on gaseous fuels Anthony Chan, Filip Atanassov, Tome Mojsov, Brian Chapnik, Tracey Demaline 2006-03-14
6152191 Apparatus and method for controlling and prevention of venting of gaseous fuel to atmosphere from a vehicle tank at completion of a fuelling process Anthony Chan 2000-11-28
6117211 Gas desiccation and contaminant disposal method and apparatus Anthony Chan, Gregory Martinez 2000-09-12
5346177 High pressure gas line breakaway connector R. P. Grant Paulsen, Peter J. Thuerig 1994-09-13