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USPTO Patent Rankings Data through Dec 31, 2025
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Greg Derosier — 7 Patents

EVEvapco: 6 patents #10 of 53Top 20%
Eldersburg, MD: #18 of 113 inventorsTop 20%
Maryland: #4,753 of 35,612 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Greg Derosier has been granted 7 US patents while listed as an inventor at Evapco. The first was granted in 2015 and the most recent in December 2025. Greg Derosier ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Greg Derosier in Eldersburg, MD, US.

Patents per Year

Patents granted per year, 2015 to 2025Bar chart with a peak of 2 patents in 2025.peak 22015: 1 patents20152018: 1 patents20182022: 1 patents20222023: 1 patents20232024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12492850 Direct expansion evaporator with vapor ejector capacity boost Shridar Gopalan 2025-12-09
12264853 Oil separator and return for ejector-based direct expansion (DX) evaporator Shri Gopalan 2025-04-01
12140351 Direct expansion evaporator with vapor ejector capacity boost Shri Gopalan 2024-11-12
11835280 Evaporator liquid preheater for reducing refrigerant charge — 2023-12-05
11493245 Direct expansion evaporator with vapor ejector capacity boost Shri Gopalan 2022-11-08
10119729 Evaporator liquid preheater for reducing refrigerant charge — 2018-11-06
9188381 Method and apparatus for initiating coil defrost in a refrigeration system evaporator — 2015-11-17

Frequent Collaborators

Shri Gopalan3 shared
Shridar Gopalan1 shared

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