Peter Kroll has been granted 13 US patents while listed as an inventor at Balluff Gmbh . The first was granted in 1984 and the most recent in December 2025. Peter Kroll ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Peter Kroll in Saint Stephen, MN, US.
Patents per Year Patents granted per year, 1984 to 2025 Bar chart with a peak of 2 patents in 2000. peak 2 1984: 1 patents 1984 1991: 1 patents 1991 1993: 1 patents 1993 2000: 2 patents 2000 2003: 2 patents 2003 2016: 1 patents 2016 2020: 1 patents 2020 2022: 1 patents 2022 2024: 1 patents 2024 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12485453 End stripper for flexible screen frame material Morgan Donohue , Andrew David Peterson 2025-12-02
12365145 Mesh to flexible screen frame laminator Morgan Donohue , Ryan Lloyd Henry Roberts , Larry Berning , Dale James Hatch , Evan Garrett +1 more 2025-07-22
12027295 Housing for ferrite beads and other pass-through electrical filter components Andreas Jakob , Olivier Garcia , Simon Baumgartner , Dany Yazbeck 2024-07-02
$28,096,000
11320085 System and protector for protecting an end of a pipe Timm Kroll , Jan-Pit Kroll 2022-05-03
10828752 Tool for installing and removing threaded members — 2020-11-10
9464509 Dripping off mat Timm Kroll 2016-10-11
6655986 Proximity switch — 2003-12-02
6637279 Sensor assembly Michael Peter Rathmachers 2003-10-28
6158689 Yarn winding apparatus and method Manfred Mayer , Siegfried Behnert , Hans-Jochen Busch , Siegfried Theilig , Volker Roland 2000-12-12
6065496 Electromagnetically operated directional valve Hermann Sanzenbacher , Volkmar Leutner , Joachim Zumbraegel 2000-05-23
5197709 Electromagnetic directional control valve Günter Neumann , Volkmar Leutner 1993-03-30
5062810 Plug insert for a metal tube housing — 1991-11-05
4489467 Mounting device for a rod-shaped proximity switch — 1984-12-25
