Inventor

HUMMEL RICHARD L

CA3 patents

⚠️ This page may combine multiple inventors who share the name “HUMMEL RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUMMEL RICHARD L

2 patents

US4323054AApr 6, 1982

Solar energy collection system

HUMMEL RICHARD L33 citations86

US4126270ANov 21, 1978

Solar energy collection system

HUMMEL RICHARD L41 citations86

MATERIALS CONCEPTS RES LTD

1 patent

US5458744AOct 17, 1995

Process to produce hydrogen and/or hemihydrate calcium sulphate from calcium sulphite

MATERIALS CONCEPTS RES LTD7 citations70