DH

David J. Hoffmann

RH Rite-Hite Holding: 24 patents #12 of 246Top 5%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
XO Xoft: 1 patents #18 of 25Top 75%
Overall (All Time): #102,082 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 25 most recent of 34 patents

Patent #TitleCo-InventorsDate
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