Inventor
LEHMANN WOLFGANG
DE29 patents
⚠️ This page may combine multiple inventors who share the name “LEHMANN WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
9 patentsUS4250299AFeb 10, 1981
Polyamines containing amide groups
BAYER AG29 citations89
US3932363AJan 13, 1976
Polyamines containing acid groups
BAYER AG20 citations80
US4319019AMar 9, 1982
Polyamines containing amide groups
BAYER AG26 citations78
US4254255AMar 3, 1981
Aqueous reaction of polyamine with alkylene dihalide in presence of emulsifier
BAYER AG8 citations72
US4250112AFeb 10, 1981
Polyalkylenepolyamines containing quaternary dialkylammonium groups
BAYER AG14 citations71
US4166002AAug 28, 1979
Polyamines containing acid groups that are useful in papermaking
BAYER AG8 citations71
US4384110AMay 17, 1983
Polyamines containing urea groups prepared from lactam or aminocarboxylic acid
BAYER AG2 citations61
US4348514ASep 7, 1982
Polyamines containing urea groups
BAYER AG2 citations61
US4250298AFeb 10, 1981
Polyamines containing amide groups
BAYER AG3 citations59
BERGISCHE STAHLINDUSTRIE
3 patentsUS5429214AJul 4, 1995
Ventilated brake disc with transverse recesses in radially extending ribs
BERGISCHE STAHLINDUSTRIE22 citations90
US5360087ANov 1, 1994
Assembled brake disc for a disc brake with partial lining
BERGISCHE STAHLINDUSTRIE8 citations71
US4825981AMay 2, 1989
Axially split brake disk
BERGISCHE STAHLINDUSTRIE17 citations64
RAYLASE GMBH
3 patentsUS12226850B2Feb 18, 2025
Automatic calibration of a laser processing system using an integrated telecentric optical detector with limited degrees of freedom
RAYLASE GMBH0 citations51
US11648735B2May 16, 2023
Automated calibration of an apparatus for the fully parallelized additive manufacturing of a component with combined working areas
RAYLASE GMBH0 citations51
US11402626B2Aug 2, 2022
Deflector
RAYLASE GMBH0 citations40