BS

Berthold W. Schumacher

Ford: 5 patents #3,375 of 17,473Top 20%
📍 Dearborn, MI: #276 of 1,494 inventorsTop 20%
🗺 Michigan: #13,574 of 86,293 inventorsTop 20%
Overall (All Time): #768,858 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4831228 Electrical resistance welding guns having workpiece clamping and independent electrode biasing 1989-05-16
4644126 Method for producing parallel-sided melt zone with high energy beam 1987-02-17
4500259 Fluid flow energy converter 1985-02-19
4456810 Adaptive schedule selective weld control Walter Dilay 1984-06-26
4344126 Low ripple D.C. power supply 1982-08-10
4314134 Beam position control for electron beam welder John C. Cooper 1982-02-02
4251709 Process for joining metals 1981-02-17