Inventor · disambiguated record
Richard J. Hartman
Also filed as: HARTMAN RICHARD J
5 granted patents·67 citations·filing 1999–2006
79Inventor score
Top patents by PatentIndex Score
5 records- 0188US7018140B1Z-shaped sheet pilingCHAPARRAL STEEL CO·Filed 2004·Granted Mar 28, 2006·35 cites·4 claims
- 0262US7168891B2Z-shaped sheet pilingCHAPARRAL STEEL CO·Filed 2006·Granted Jan 30, 2007·2 cites·5 claims
- 0352US6420014B1Z-shaped sheet pilingFOSTER CO L B·Filed 1999·Granted Jul 16, 2002·28 cites·9 claims
- 0450US7360969B2Z-shaped sheet pilingCHAPARRAL STEEL CO·Filed 2006·Granted Apr 22, 2008·0 cites·6 claims
- 0531USD441440SDust cassette assemblyMINE SAFETY APPLIANCES CO·Filed 2000·Granted May 1, 2001·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →