Inventor
DREYFUSS WILFRIED
DE11 patents
⚠️ This page may combine multiple inventors who share the name “DREYFUSS WILFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DREYFUSS WILFRIED
9 patentsUS4706822ANov 17, 1987
Frame for the transport and for the storage of pipes
DREYFUSS WILFRIED42 citations91
US4610362ASep 9, 1986
Frame for the transport and storage of pipes
DREYFUSS WILFRIED48 citations91
US4599778AJul 15, 1986
Installing or centering mechanism for pipes to be screwed into one another
DREYFUSS WILFRIED19 citations81
US4662402AMay 5, 1987
System for protecting machine threads
DREYFUSS WILFRIED20 citations80
US4957141ASep 18, 1990
Pipe-end protector
DREYFUSS WILFRIED14 citations72
US4492666AJan 8, 1985
Method for forming a protective pipe cap
DREYFUSS WILFRIED13 citations72
US4438783AMar 27, 1984
Protective device for pipes
DREYFUSS WILFRIED10 citations72
US4487229ADec 11, 1984
System for protecting machine threads
DREYFUSS WILFRIED17 citations71
US4772198ASep 20, 1988
Apparatus for injection-molding threaded plastic caps and stoppers
DREYFUSS WILFRIED1 citations51