DC

Douglas Cole

HP Heatcraft Refrigeration Products: 10 patents #4 of 93Top 5%
DG D. S. Cole Growers: 3 patents #2 of 6Top 35%
📍 Columbus, GA: #7 of 290 inventorsTop 3%
🗺 Georgia: #1,920 of 35,610 inventorsTop 6%
Overall (All Time): #281,871 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12345455 Refrigeration system with emergency cooling using dedicated compressor Steve Pfister 2025-07-01
12345456 Refrigeration system with emergency cooling using dedicated compressor Steve Pfister 2025-07-01
12203687 Cooling system with flooded low side heat exchangers Shitong Zha 2025-01-21
11982480 Refrigeration system with emergency cooling using dedicated compressor Steve Pfister 2024-05-14
11879675 Cooling system with flooded low side heat exchangers Shitong Zha 2024-01-23
11604013 Cooling system with supplemental oil extraction from refrigerant 2023-03-14
11353245 Cooling system with parallel compression using medium temperature compressors 2022-06-07
11143444 Cooling system with supplemental oil extraction from refrigerant 2021-10-12
10551106 Refrigeration system using emergency electric power Steven C. Pfister 2020-02-04
10496108 Cooling system flood prevention tool Shitong Zha 2019-12-03
PP20053 Argyranthemum plant named ‘Arctic Butterfly’ 2009-06-02
PP9969 Impatiens plant named `Orange Ice` 1997-07-15
PP9286 Impatiens plant named `Raspberry Ice` 1995-09-12
PP9276 Impatiens plant named `Pink Ice` 1995-09-05
PP8359 Impatiens plant named Purple Magic 1993-08-31
PP7690 Impatiens plant named Peach Ice 1991-10-29