Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David McKenzie — 5 Patents

EMEmc: 2 patents #1,324 of 3,345Top 40%
BEBloom Energy: 1 patents #197 of 315Top 65%
CLCummins Turbo Technologies Limited: 1 patents #23 of 54Top 45%
DCDigital Security Controls: 1 patents #12 of 21Top 60%
Brampton, CA: #136 of 1,005 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David McKenzie has been granted 5 US patents while listed as an inventor at Emc. The first was granted in 1999 and the most recent in February 2014. David McKenzie ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David McKenzie in Brampton, ON, CA.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8641380 Compressor wheel 2014-02-04 $54,780,000
7781912 Uninterruptible power supply with opto-electric couplers for detecting the status of each source 2010-08-24
6317815 Method and apparatus for formatting data in a storage device Robert Mayer 2001-11-13 $231,727,000
6088814 Method and apparatus for reading a non-configured disc drive in an AS/400 system Robert Mayer 2000-07-11 $605,875,000
5923250 Size discriminating dual element PIR detector Reinhart K. Pildner 1999-07-13