Inventor

BERTRAM JOHANNES

DE3 patents

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

HOESCH AG

2 patents

US4863294ASep 5, 1989

Large roller bearing in the form of a wire bearing

HOESCH AG2 citations56

US5060773AOct 29, 1991

Single-action freewheel clutch with substantially large central diameter

HOESCH AG0 citations45

HOESCH WERKE AG

1 patent

US4015884AApr 5, 1977

Center-free one-row wire ball bearing

HOESCH WERKE AG7 citations62