Inventor · disambiguated record
David J. Hoffmann
Also filed as: HOFFMANN DAVID · HOFFMANN DAVID J · HOFFMANN DAVID JOHN
35 granted patents·14 pending applications·864 citations·filing 1977–2022
98Inventor score
Top patents by PatentIndex Score
49 records- 0197US9633537B2Methods and apparatus to detect and warn proximate entities of interestBEGGS RYAN P·Filed 2015·Granted Apr 25, 2017·38 cites·22 claims
- 0297US9547969B2Methods and apparatus to detect and warn proximate entities of interestBEGGS RYAN P·Filed 2015·Granted Jan 17, 2017·29 cites·19 claims
- 0397US9542824B2Methods and apparatus to detect and warn proximate entities of interestBEGGS RYAN P·Filed 2015·Granted Jan 10, 2017·40 cites·18 claims
- 0497US9230419B2Methods and apparatus to detect and warn proximate entities of interestBEGGS RYAN P·Filed 2010·Granted Jan 5, 2016·63 cites·24 claims
- 0596US9672713B2Methods and apparatus to detect and warn proximate entities of interestBEGGS RYAN P·Filed 2015·Granted Jun 6, 2017·20 cites·24 claims
- 0696US9607496B2Methods and apparatus to detect and warn proximate entities of interestBEGGS RYAN P·Filed 2015·Granted Mar 28, 2017·21 cites·22 claims
- 0795US8307588B2Flexible structures for use with dock seals and sheltersHOFFMANN DAVID J·Filed 2010·Granted Nov 13, 2012·29 cites·26 claims
- 0895US6205721B1Sealing apparatus for forming a weather seal between a vehicle and a loading dock or the likeRITE HITE HOLDING CORP·Filed 1997·Granted Mar 27, 2001·71 cites·61 claims
- 0994US5622016AGutter and seal assemblyRITE HITE CORP·Filed 1993·Granted Apr 22, 1997·81 cites·18 claims
- 1091US6233885B1Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the likeRITE HITE HOLDING CORP·Filed 1998·Granted May 22, 2001·47 cites·36 claims
- 1189US8839842B2Insulated washdown flexible walls and curtainsASHELIN CHARLES J·Filed 2011·Granted Sep 23, 2014·23 cites·26 claims
- 1289US5394662ASeal assembly for a loading dock shelterRITE HITE CORP·Filed 1993·Granted Mar 7, 1995·57 cites·17 claims
- 1387US10544060B2Composition for metakaolin construction material, related method for manufacturing said composition, and use for producing construction elementsHOFFMANN JB TECH·Filed 2016·Granted Jan 28, 2020·6 cites·19 claims
- 1484US5473846ALoading dock shelter with a rotatable sealRITE HITE CORP·Filed 1992·Granted Dec 12, 1995·42 cites·18 claims
- 1581US4161088APipe-and-ball truss arrayGUGLIOTTA PAUL F·Filed 1977·Granted Jul 17, 1979·58 cites·27 claims
- 1680US9085452B2Carbonated water manufacturing deviceHOFFMANN DAVID·Filed 2012·Granted Jul 21, 2015·1 cites·14 claims
- 1780US7757442B2Flexible structures for use with dock seals and sheltersRITE HITE HOLDING CORP·Filed 2004·Granted Jul 20, 2010·21 cites·57 claims
- 1879US4211044ATube space frame systemGUGLIOTTA PAUL F·Filed 1978·Granted Jul 8, 1980·54 cites·21 claims
- 1977US5675945ALoading dock shelter with a rotatable sealRITE HITE CORP·Filed 1995·Granted Oct 14, 1997·49 cites·14 claims
- 2076US6550191B2Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the likeRITE HITE HOLDING CORP·Filed 2001·Granted Apr 22, 2003·16 cites·23 claims
- 2175US9170044B2Frost inhibiting joints for insulated panels and curtainsHOFFMANN DAVID J·Filed 2012·Granted Oct 27, 2015·4 cites·26 claims
- 2274US8887447B2Flexible structures for use with dock seals and sheltersHOFFMANN DAVID J·Filed 2012·Granted Nov 18, 2014·5 cites·21 claims
- 2374US8353136B2Low profile support panel for a dock sealRITE HITE HOLDING CORP·Filed 2011·Granted Jan 15, 2013·5 cites·30 claims
- 2471US9003724B2Weather barrier apparatuses for sealing or sheltering vehicles at loading docksDIGMANN CHARLES·Filed 2014·Granted Apr 14, 2015·3 cites·20 claims
- 2566US5606854AExhaust filterAIR FILTER PLUS INC·Filed 1995·Granted Mar 4, 1997·32 cites·43 claims
- 2665US8752335B2Bulb seals for doorsHOFFMANN DAVID J·Filed 2012·Granted Jun 17, 2014·3 cites·33 claims
- 2764US9003725B2Weather barrier apparatuses for sealing or sheltering vehicles at loading docksDIGMANN CHARLES·Filed 2014·Granted Apr 14, 2015·3 cites·18 claims
- 2860US9010039B2Weather barrier apparatuses for sealing or sheltering vehicles at loading docksDIGMANN CHARLES·Filed 2013·Granted Apr 21, 2015·2 cites·27 claims
- 2959US2024229214A1Flat steel product having an al-coating, process for production thereof, steel component and process for production thereofTHYSSENKRUPP STEEL EUROPE AG·Filed 2022·Application pending·0 cites
- 3056US2025207236A1Flat steel product having an al coating, method for the production thereof, steel component, and method for production thereofTHYSSENKRUPP STEEL EUROPE AG·Filed 2022·Application pending·0 cites
- 3154US8991467B2Flexible room dividersASHELIN CHARLES J·Filed 2010·Granted Mar 31, 2015·3 cites·25 claims
- 3254US7727137B2Balloon brachytherapy applicator and methodXOFT INC·Filed 2007·Granted Jun 1, 2010·1 cites·16 claims
- 3352US7246467B1Heat shielded dock padRITE HITE HOLDING CORP·Filed 2000·Granted Jul 24, 2007·5 cites·4 claims
- 3452US2015201794A1Soda water producing deviceGLOBAL REGENCY LTD·Filed 2014·Application pending·0 cites
- 3550US12139439B2Method for preparing an ettringite binder for producing construction materialsHOFFMANN GREEN CEMENT TECH·Filed 2018·Granted Nov 12, 2024·0 cites·12 claims
- 3650US2004226228A1Heat shield for a dock padFiled 2003·Application pending·0 cites
- 3748US2008047211A1Heat shielded sealing curtainHOFFMANN DAVID J·Filed 2007·Application pending·0 cites
- 3848US2013189471A1Fire resistant insulated flexible wall panelsASHELIN CHARLES J·Filed 2012·Application pending·0 cites
- 3947US2021040792A1Modular locking curtain partitionsRITE HITE HOLDING CORP·Filed 2020·Application pending·0 cites
- 4047US2008104902A1Low profile support panel for a dock sealRITE HITE HOLDING CORP·Filed 2006·Application pending·0 cites
- 4146US2006272222A1Heat shielded sealing curtainHOFFMANN DAVID J·Filed 2006·Application pending·0 cites
- 4244US5005664AVehicle locking systemHARRIS RALPH LESLIE·Filed 1989·Granted Apr 9, 1991·13 cites·6 claims
- 4343US2009126130A1Weather shield for underneath a dock leveler with a translating lipBETTENDORF ANDREAS·Filed 2007·Application pending·0 cites
- 4441US2003177720A1Heat shielded sealing curtainFiled 2003·Application pending·0 cites
- 4539US2003140579A1Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the likeFiled 2003·Application pending·0 cites
- 4638US2001018813A1Sealing apparatus for forming a weather seal between a vehicle and a loading dock or the likeRITE HITE HOLDING CORP·Filed 2001·Application pending·0 cites
- 4737US2005102929A1Seal for a loading dock bumperFiled 2002·Application pending·0 cites
- 4829US4966019AAnti-theft arrangement for a vehicleHOFFMANN DAVID·Filed 1989·Granted Oct 30, 1990·3 cites·8 claims
- 4927US5704500ADispensing-sealing arrangement for a containerFiled 1994·Granted Jan 6, 1998·16 cites·20 claims
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