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USPTO Patent Rankings Data through Dec 31, 2025
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Brett Herrmann — 14 Patents

BEBergstrom: 14 patents #4 of 25Top 20%
Rochelle, IL: #2 of 37 inventorsTop 6%
Illinois: #6,113 of 84,256 inventorsTop 8%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Brett Herrmann has been granted 14 US patents while listed as an inventor at Bergstrom. The first was granted in 2018 and the most recent in September 2025. Brett Herrmann ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Brett Herrmann in Rochelle, IL, US.

Patents per Year

Patents granted per year, 2018 to 2025Bar chart with a peak of 4 patents in 2020.peak 42018: 3 patents20182019: 1 patents20192020: 4 patents20202022: 3 patents20222023: 1 patents20232025: 2 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12420616 Multi-compressor oil migration mitigation climate system Yevgeniy Beygel, Alexander Victor Puzin, Ian Boyes 2025-09-23
12240295 Systems and methods for controlling a vehicle HVAC system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2025-03-04
11712946 Systems and methods for controlling a vehicle HVAC system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2023-08-01
11512883 Refrigerant liquid-gas separator Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2022-11-29
11479086 Multi-compressor climate system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2022-10-25
11241939 Systems and methods for controlling a vehicle HVAC system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2022-02-08
10724772 Refrigerant liquid-gas separator having an integrated check valve Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2020-07-28
10703173 Multi-compressor climate system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2020-07-07
10675948 Systems and methods for controlling a vehicle HVAC system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2020-06-09
10527332 Refrigeration system with superheating, sub-cooling and refrigerant charge level control Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2020-01-07
10369863 Refrigerant liquid-gas separator with electronics cooling Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2019-08-06
10081226 Parallel compressors climate system Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2018-09-25
10006684 Air conditioning system for use in vehicle Brett S. Connell, Terry Zeigler 2018-06-26
9874384 Refrigeration system with superheating, sub-cooling and refrigerant charge level control Brett S. Connell, Aaron D. Sullivan, Terry Zeigler 2018-01-23

Frequent Collaborators

Brett S. Connell13 shared
Terry Zeigler13 shared
Aaron D. Sullivan12 shared
Ian Boyes1 shared
Yevgeniy Beygel1 shared
Alexander Victor Puzin1 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14