GB

Garri Berstein

WM Wilhelm Hegenscheidt Gesellschaft Mbh: 8 patents #1 of 32Top 4%
WM W. Hegenscheidt Gesellschaft Mbh: 3 patents #1 of 8Top 15%
WG Wilhelm Hegenscheidt Gmbh: 3 patents #1 of 13Top 8%
📍 Erkelenz, DE: #3 of 145 inventorsTop 3%
Overall (All Time): #280,825 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5333480 Method for straightening out of true work pieces, especially crankshafts 1994-08-02
5235838 Method and apparatus for truing or straightening out of true work pieces 1993-08-17
5001917 Method and apparatus for truing or straightening out of true work pieces 1991-03-26
4895057 Machine tool for broaching crankshaft connecting rod bearings Hans W. Obrig, Helmut Wittkopp, Hermann Wolters 1990-01-23
4861204 Turn broaching tool Hans W. Obrig, Helmut Wittkopp 1989-08-29
4799839 Method and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetry Hans W. Obrig, Helmut Wittkopp, Hermann Wolters 1989-01-24
4782682 Rolling Mill Tool 1988-11-08
4782680 Method for rolling a shaft or tenon having cross-bored holes 1988-11-08
4766753 Rolling apparatus for surface hardening or smoothing Willi Hansen, Rudolf Winkens 1988-08-30
4747286 Rolling apparatus Willi Hansen, Rudolf Winkens 1988-05-31
4747285 Surface-hardening or smoothing rolling machine Willi Hansen, Rudolf Winkens 1988-05-31
4561276 Method of deep-rolling crankshafts 1985-12-31
4542565 Rolling tool Siegfried Bagusche 1985-09-24
4539831 Method for setting the stroke of movable rolling units, and crankshaft rolling machine for implementing said method Willi Hansen, Rudolf Winkens 1985-09-10
4485537 Machine for the machining of crankshafts Willy Hansen 1984-12-04
4371296 Cutting tool for internal and external turning operations Walter Riedel 1983-02-01
4327568 Method for the cold rolling of parts 1982-05-04