Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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D. Roy Cullimore — 15 Patents

Regina, CA: #4 of 252 inventorsTop 2%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
D. Roy Cullimore has been granted 15 US patents. The first was granted in 1988 and the most recent in May 2021. D. Roy Cullimore ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list D. Roy Cullimore in Regina, SK, CA.

Patents per Year

Patents granted per year, 1988 to 2021Bar chart with a peak of 3 patents in 2015.peak 31988: 1 patents19881990: 1 patents19901993: 1 patents19931996: 2 patents19962013: 1 patents20132015: 3 patents20152017: 1 patents20172018: 2 patents20182019: 2 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
D919111 Microbiologically interactive growth platform 2021-05-11
D857227 Microbiologically interactive growth platform 2019-08-20
D845505 Microbiologically interactive growth platform 2019-04-09
D832455 Microbiologically interactive growth platform 2018-10-30
9856504 Interactive device for the microbiological determination of activities between neighboring communities within prepared natural samples 2018-01-02
D784550 Microbiologically interactive growth platform 2017-04-18
D743284 Biologically-activated beacon device 2015-11-17
D728123 Storage device for microorganisms 2015-04-28
D726331 Biomass growth device Charles Pellegrino, Mark R. Newman, Lori Johnston 2015-04-07
D687512 Floating microbiological growth ball 2013-08-06
5589353 Method and apparatus for the selective determination of fermentative cultured activities George W. Alford 1996-12-31
5531895 Method and apparatus for installing and removing biologically structured wall systems George W. Alford, Al T. Mikell 1996-07-02
5187072 Method and apparatus for the determination of fermentative analytic cultured activities George W. Alford, Abimbola T. Abiola, Jeff Reihl, Karim Naqvi 1993-02-16
4906566 Method and apparatus for producing analytic culture George W. Alford 1990-03-06
4765410 Method and apparatus for cleaning wells William C. Rogers, George W. Alford 1988-08-23