Inventor · disambiguated record
Richard J. Haszel
Also filed as: HASZEL RICHARD J · HASZEL RICHARD JAMES
4 granted patents·175 citations·filing 2004–2013
82Inventor score
Top patents by PatentIndex Score
4 records- 0197US7296919B2Slurry mixer constrictor valveUNITED STATES GYPSUM CO·Filed 2005·Granted Nov 20, 2007·73 cites·5 claims
- 0296US8801852B2Additives in gypsum slurries and adjusting their proportionsUNITED STATES GYPSUM CO·Filed 2013·Granted Aug 12, 2014·21 cites·14 claims
- 0395US7007914B2Slurry mixer constrictor valveUNITED STATES GYPSUM CO·Filed 2004·Granted Mar 7, 2006·58 cites·20 claims
- 0493US8597426B2Additives in gypsum panels and adjusting their proportionsLEE CHRIS C·Filed 2010·Granted Dec 3, 2013·23 cites·12 claims
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