Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Derek R. Lea — 5 Patents

HUHussmann: 5 patents #20 of 167Top 15%
Paisley, GB: #3 of 32 inventorsTop 10%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Derek R. Lea has been granted 5 US patents while listed as an inventor at Hussmann. The first was granted in 2006 and the most recent in June 2019. Derek R. Lea ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Derek R. Lea in Paisley, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10330369 Control system for a refrigerated merchandiser Brian Rees, Simon A. Johnston 2019-06-25
9964350 Control system for a refrigerated merchandiser Brian Rees, Simon A. Johnston 2018-05-08
7181924 Assembly method for a refrigerated display case Martin Duffy, Denise Slatton, Marian T. Boultes 2007-02-27
D521028 Refrigerated display case Martin Duffy 2006-05-16
D521030 Canopy for a refrigerated display case Martin Duffy 2006-05-16