Inventor

CUNNINGHAM RICHARD N

US8 patents

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

JOHNS MANVILLE

3 patents

US4233100ANov 11, 1980

Method and apparatus for manufacturing a laminated shingle

JOHNS MANVILLE54 citations95

US4218962AAug 26, 1980

Apparatus for forming thermal insulation blocks

JOHNS MANVILLE30 citations92

US4294878AOct 13, 1981

Process for rapid annealing of refractory fiber bodies and laminated body produced by process

JOHNS MANVILLE7 citations72

KNAUF FIBER GLASS GMBH

2 patents

US5076985ADec 31, 1991

Method for forming ceiling tile

KNAUF FIBER GLASS GMBH55 citations91

US5194206AMar 16, 1993

Process for the manufacture of ceiling tile

KNAUF FIBER GLASS GMBH60 citations90

MANVILLE SERVICE CORP

2 patents

US4384813AMay 24, 1983

Shingle stacker with shingle inverting feature

MANVILLE SERVICE CORP20 citations81

US4416071ANov 22, 1983

Apparatus for rapid annealing of refractory fiber bodies

MANVILLE SERVICE CORP3 citations61

MANVILLE CORP

1 patent

US4634622AJan 6, 1987

Lightweight asphalt based building materials and process for making same

MANVILLE CORP42 citations86