WK

Walter Kiefer

HG Hoerbiger Ventilwerke Gmbh: 1 patents #12 of 30Top 40%
📍 Bothell, WA: #700 of 2,342 inventorsTop 30%
🗺 Washington: #23,018 of 76,902 inventorsTop 30%
Overall (All Time): #1,295,398 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5375507 Hydraulic cylinder Wolfgang Kladiwa, Gerhard Huber, Klaus Stolle 1994-12-27
5011102 Magnetic knife holder 1991-04-30
4808976 Torque indicator Michael R. Cross 1989-02-28
4546676 Torque-multiplying hand wrench 1985-10-15