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USPTO Patent Rankings Data through Dec 31, 2025
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John A. Kitchen — 15 Patents

EMEmc: 1 patents #1,879 of 3,345Top 60%
CACommonwealth Of Australia: 1 patents #49 of 226Top 25%
Hastings, CA: #1 of 4 inventorsTop 25%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
John A. Kitchen has been granted 15 US patents while listed as an inventor at Emc. The first was granted in 1980 and the most recent in December 2012. John A. Kitchen ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list John A. Kitchen in Hastings, ON, CA.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8335904 Identifying active and inactive data in storage systems Amnon Naamad, Alexandr Veprinsky 2012-12-18 $42,711,000
6894630 Enhanced direct digitizing array arrangement Angus Massie, Warren Marwood 2005-05-17
6834461 Method to modulate plant growth by injecting a plug at lift Marc-Andre Poirier, Steven Kiiskila, Troy Lucyshyn, Mark Ingram, Andrew Jackson +2 more 2004-12-28
6820367 Drill/injector combination for plug fertilization at lift Marc-Andre Poirier, Mark Ingram, Ted Bay, Andrew Jackson, Kyle Krushelniski +4 more 2004-11-23
5658142 Material drying system Alan G. Buchkowski 1997-08-19
4832598 Pulse combustion apparatus 1989-05-23
4706390 Dehydrator 1987-11-17
4697358 Pulse combustion apparatus 1987-10-06
4640674 Pulse combustion apparatus 1987-02-03
4633852 Method of dispersing exhaust gases 1987-01-06
4621609 Heater and burner assembly therefor 1986-11-11
4601654 Pulse combustion apparatus 1986-07-22
4309977 Pulse combustion apparatus 1982-01-12
4241720 Pulse combustion apparatus 1980-12-30
4241723 Pulse combustion apparatus 1980-12-30