Inventor · disambiguated record
Richard L. Hummel
Also filed as: HUMMEL RICHARD L
3 granted patents·81 citations·filing 1977–1993
74Inventor score
Top patents by PatentIndex Score
3 records- 0181US4126270ASolar energy collection systemHUMMEL RICHARD L·Filed 1977·Granted Nov 21, 1978·41 cites·6 claims
- 0270US4323054ASolar energy collection systemHUMMEL RICHARD L·Filed 1978·Granted Apr 6, 1982·33 cites·10 claims
- 0345US5458744AProcess to produce hydrogen and/or hemihydrate calcium sulphate from calcium sulphiteMATERIALS CONCEPTS RES LTD·Filed 1993·Granted Oct 17, 1995·7 cites·19 claims
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