William Hemeyer has been granted 16 US patents while listed as an inventor at Bushnell . The first was granted in 2020 and the most recent in June 2025. William Hemeyer ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list William Hemeyer in Lee's Summit, MO, US.
Patents per Year Patents granted per year, 2020 to 2025 Bar chart with a peak of 5 patents in 2023. peak 5 2020: 1 patents 2020 2021: 4 patents 2021 2022: 2 patents 2022 2023: 5 patents 2023 2024: 2 patents 2024 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date
12326325 System and method for dispensing powder for ammunition Joe Dunning 2025-06-10
12203735 Dual-barrel powder dispenser Joe Dunning 2025-01-21
D1031901 Firearm sling Raymon Li , Justin Smith , Monte N. Koenigs 2024-06-18
D1010052 Firearm sling Raymon Li , Monte N. Koenigs , Jeremy Manning 2024-01-02
11821719 Dual-barrel powder dispenser Joe Dunning 2023-11-21
11644290 Dual-barrel powder dispenser Joe Dunning 2023-05-09
D983516 Padded back panel Raymon Li , Monte N. Koenigs , Jeremy Manning 2023-04-18
11619460 Electronic magazine loader Paul R. Fischer 2023-04-04
D974027 Chest pack Raymon Li , Monte N. Koenigs , Jeremy Manning 2023-01-03
11528982 Padded sling systems Raymon Li , Monte N. Koenigs , Jeremy Manning 2022-12-20
11236981 Dual-barrel powder dispenser Joe Dunning 2022-02-01
11175107 Electronic magazine loader Paul R. Fischer 2021-11-16
D921992 Ear muffs for shooting sports Richard S. Slevin , Gwyn Lewis , Jack Lau , Linyuan Xu 2021-06-08
10982938 Dual-barrel powder dispenser Joe Dunning 2021-04-20
10982939 Dual barrel powder dispenser Joe Dunning 2021-04-20
10704850 Electronic magazine loader Paul R. Fischer 2020-07-07