David J. Hoffmann — 34 Patents at Rite-Hite Holding

David J. Hoffmann has been granted 34 US patents while listed as an inventor at Rite-Hite Holding. The first was granted in 1980 and the most recent in November 2024. David J. Hoffmann ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list David J. Hoffmann in Peosta, IA, US.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #	Title	Co-Inventors	Date
12139439	Method for preparing an ettringite binder for producing construction materials	—	2024-11-12
10544060	Composition for metakaolin construction material, related method for manufacturing said composition, and use for producing construction elements	—	2020-01-28
9672713	Methods and apparatus to detect and warn proximate entities of interest	Ryan P. Beggs, James C. Boerger, Ken Markham, Matthew C. McNeill, Timothy Muhl +3 more	2017-06-06
9633537	Methods and apparatus to detect and warn proximate entities of interest	Ryan P. Beggs, James C. Boerger, Ken Markham, Matthew C. McNeill, Timothy Muhl +3 more	2017-04-25
9607496	Methods and apparatus to detect and warn proximate entities of interest	Ryan P. Beggs, James C. Boerger, Ken Markham, Matthew C. McNeill, Timothy Muhl +3 more	2017-03-28
9547969	Methods and apparatus to detect and warn proximate entities of interest	Ryan P. Beggs, James C. Boerger, Ken Markham, Matthew C. McNeill, Timothy Muhl +3 more	2017-01-17
9542824	Methods and apparatus to detect and warn proximate entities of interest	Ryan P. Beggs, James C. Boerger, Ken Markham, Matthew C. McNeill, Timothy Muhl +3 more	2017-01-10
9230419	Methods and apparatus to detect and warn proximate entities of interest	Ryan P. Beggs, James C. Boerger, Ken Markham, Matthew C. McNeill, Timothy Muhl +3 more	2016-01-05
9170044	Frost inhibiting joints for insulated panels and curtains	—	2015-10-27
9085452	Carbonated water manufacturing device	—	2015-07-21
9010039	Weather barrier apparatuses for sealing or sheltering vehicles at loading docks	Charles Digmann, Gary Borgerding	2015-04-21
9003724	Weather barrier apparatuses for sealing or sheltering vehicles at loading docks	Charles Digmann, Gary Borgerding	2015-04-14
9003725	Weather barrier apparatuses for sealing or sheltering vehicles at loading docks	Charles Digmann, Gary Borgerding	2015-04-14
8991467	Flexible room dividers	Charles J. Ashelin, Matt Fleckenstein, Gregory J. Thill	2015-03-31
8887447	Flexible structures for use with dock seals and shelters	Charles Digmann, Timothy J. Schmidt	2014-11-18
8839842	Insulated washdown flexible walls and curtains	Charles J. Ashelin	2014-09-23
8752335	Bulb seals for doors	—	2014-06-17
8353136	Low profile support panel for a dock seal	Charles J. Ashelin	2013-01-15
8307588	Flexible structures for use with dock seals and shelters	Charles Digmann	2012-11-13
7757442	Flexible structures for use with dock seals and shelters	Charles Digmann	2010-07-20
7727137	Balloon brachytherapy applicator and method	Darius Francescatti, Scott Tremberth, Michael Klein, Paul A. Lovoi, James E. Jervis	2010-06-01
7246467	Heat shielded dock pad	Jason D. Miller, Charles J. Ashelin	2007-07-24
6550191	Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the like	Charles J. Ashelin, Paul D. Rowlett	2003-04-22
6233885	Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the like	Charles J. Ashelin, Paul D. Rowlett	2001-05-22
6205721	Sealing apparatus for forming a weather seal between a vehicle and a loading dock or the like	Charles J. Ashelin, Thomas J. Boffeli	2001-03-27

12 Next »

David J. Hoffmann — 34 Patents

Issued Patents All Time

Patent Widget