Inventor

NEFF KARL

DE4 patents

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

NEFF GEWINDESPINDELN

2 patents

US4612817ASep 23, 1986

Circulating ball worm drive

NEFF GEWINDESPINDELN33 citations88

US4887477ADec 19, 1989

Linear drive system

NEFF GEWINDESPINDELN8 citations62

PROMA PROD & MARKETING GMBH

2 patents

US4512208AApr 23, 1985

Mechanical rotary-to-linear motion conversion element

PROMA PROD & MARKETING GMBH26 citations79

US4485690ADec 4, 1984

Automatically openable and recloseable protective cover for elongated elements having a traveling structure projecting therefrom

PROMA PROD & MARKETING GMBH5 citations59