Gundolf Heinrichs has been granted 12 US patents while listed as an inventor at Edscha Ag . The first was granted in 2000 and the most recent in November 2023. Gundolf Heinrichs ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Gundolf Heinrichs in Wipperfürth, DE.
Patents per Year Patents granted per year, 2000 to 2023 Bar chart with a peak of 2 patents in 2001. peak 2 2000: 1 patents 2000 2001: 2 patents 2001 2005: 1 patents 2005 2009: 2 patents 2009 2010: 1 patents 2010 2011: 1 patents 2011 2013: 1 patents 2013 2020: 1 patents 2020 2022: 1 patents 2022 2023: 1 patents 2023 Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
11808067 Door arrester Peter Hoffmann , Heiner Ackers , Torsten Meissner 2023-11-07
11492828 Door holder Peter Hoffmann , Torsten Meissner , Dietmar Rehborn 2022-11-08
10767402 Door check and method for blocking a door check Peter Hoffmann , Torsten Meissner , Matthias Brinker , Heiner Ackers , Dietmar Rehborn 2020-09-08
8429793 Door check Ute Krüger , Peter Hoffmann 2013-04-30
7870641 Door stay with support housing Peter Hoffmann , Torsten Meissner 2011-01-18
7716787 Locking device Ralf Duning , Peter Hoffmann 2010-05-18
7552953 Door arrester Thomas Schmoll , Gunter Plasberg , Peter Hoffmann , Ralf Duning 2009-06-30
7530141 Door arrester Peter Hoffmann , Ute Krueger 2009-05-12
6842943 Pressure-ball sliding doorstop Peter Hoffmann , Ralf Duning 2005-01-18
6305721 Plug-in coupling for pressure application systems Manfred Berg 2001-10-23
6220570 Plug-in connection with leakage protection Wolfgang Offenloch 2001-04-24
6089540 Plug-in connection with leakage protection Wolfgang Offenloch 2000-07-18
