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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SD

Serge Dube — 17 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
TIToromont Industries: 1 patents #6 of 6Top 100%
Foxwarren, CA: #4 of 57 inventorsTop 8%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Serge Dube has been granted 17 US patents while listed as an inventor at Unknown. The first was granted in 1997 and the most recent in June 2020. Serge Dube ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Serge Dube in Foxwarren, MB, CA.

Patents per Year

Patents granted per year, 1997 to 2020Bar chart with a peak of 2 patents in 1997.peak 21997: 2 patents19971998: 2 patents1999: 2 patents19992000: 1 patents2002: 2 patents20022003: 1 patents2004: 1 patents20042005: 1 patents2006: 2 patents20062007: 1 patents2009: 1 patents20092020: 1 patents2020

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10690389 CO2 refrigeration system 2020-06-23
7610766 High-speed defrost refrigeration system 2009-11-03
RE39924 Refrigeration system with modulated condensing loops 2007-11-27
7104083 Refrigeration system configuration for air defrost and method 2006-09-12
6983613 High-speed defrost refrigeration system 2006-01-10
6874753 Refrigeration modulating valve sealing device Richard C. Charron, Luc Tremblay, Mario Daigle 2005-04-05
6775993 High-speed defrost refrigeration system 2004-08-17
6502412 Refrigeration system with modulated condensing loops 2003-01-07
6449967 High speed evaporator defrost system 2002-09-17
6401477 Stand-alone refrigeration system and enclosure 2002-06-11
6089033 High-speed evaporator defrost system 2000-07-18
5887440 Refrigeration coil defrost system 1999-03-30
5867993 Refrigerant reservoir and heat exchanger unit for a refrigerated counter system 1999-02-09
5826433 Refrigeration system with heat reclaim and efficiency control modulating valve 1998-10-27
5768911 Refrigerating compressor oil cooling probe device 1998-06-23
5673567 Refrigeration system with heat reclaim and method of operation 1997-10-07
5603222 Cooling method and system for a compressor of a refrigerating system 1997-02-18