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USPTO Patent Rankings Data through Dec 31, 2025
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Dirk J. Hardtmann — 6 Patents

SISimula: 5 patents #4 of 72Top 6%
BMW: 1 patents #2,183 of 5,361Top 45%
Phoenix, AZ: #1,091 of 6,660 inventorsTop 20%
Arizona: #5,956 of 32,909 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Dirk J. Hardtmann has been granted 6 US patents while listed as an inventor at Simula. The first was granted in 1995 and the most recent in January 2003. Dirk J. Hardtmann ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Dirk J. Hardtmann in Phoenix, AZ, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6511093 Head protection system for occupants of motor vehicles Joerg Buerkle, Josef Taubenberger, Gisela Diepold, Jens Schaper, Markus Meister +1 more 2003-01-28
6336653 Inflatable tubular knee bolster Gershon Yaniv, David J. Romeo 2002-01-08 $800,000
5839753 Inflatable tubular torso restraint system Gershon Yaniv, David J. Romeo, Lindley W. Bark 1998-11-24 $955,000
5649035 Fiber optic strain gauge patch Bernd Zimmerman, Gershon Yaniv, Ken-An Lou, Donald Stevens 1997-07-15 $1,699,000
5480181 Side impact head strike protection system Lindley W. Bark, Gershon Yaniv, David J. Romeo, Gregory A. Mowry 1996-01-02 $1,552,000
5464246 Inflatable tubular cushions for crash protection of seated automobile occupants Mynor J. Castro, Gershon Yaniv, David J. Romeo 1995-11-07 $1,851,000