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

Frederick William Kopitzke — 9 Patents

DMDmf: 7 patents #5 of 25Top 20%
Long Beach, CA: #201 of 2,153 inventorsTop 10%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Frederick William Kopitzke has been granted 9 US patents while listed as an inventor at Dmf. The first was granted in 2019 and the most recent in July 2025. Frederick William Kopitzke ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Frederick William Kopitzke in Long Beach, CA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12372222 Lighting module having field-replaceable optics, improved cooling, and tool-less mounting features Nolan Gunsolley, Amir Lotfi, Benjamin Pin-Chun Chen 2025-07-29
12297986 Bar hanger assembly with crossmembers and housing assemblies using same Bao Khoa Vinh, Amir Lotfi 2025-05-13
12203631 Round metal housing for a lighting system Ken Czech, Bao Khoa Vinh, Amir Lotfi, Morteza Nejad 2025-01-21
11585517 Lighting module having field-replaceable optics, improved cooling, and tool-less mounting features Nolan Gunsolley, Amir Lotfi, Benjamin Pin-Chun Chen 2023-02-21
D970081 Light fixture 2022-11-15
D966877 Hanger bar for a hanger bar assembly Amir Lotfi, Mohammed Aslam Khazi 2022-10-18
11231154 Bar hanger assembly with mating telescoping bars Amir Lotfi, Mohammed Aslam Khazi 2022-01-25
D877957 Light fixture 2020-03-10
10247390 Compact tiltable and rotatable recessed lighting fixture 2019-04-02