RP

Richard Pfeiffer

TA Transformatoren Union Aktiengesellschaft: 3 patents #2 of 19Top 15%
SE Semitool: 2 patents #79 of 141Top 60%
SM Sigma Tool & Machine: 1 patents #7 of 10Top 70%
Overall (All Time): #881,104 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6664197 Process for etching thin-film layers of a workpiece used to form microelectronic circuits or components E. Henry Stevens 2003-12-16
6331490 Process for etching thin-film layers of a workpiece used to form microelectric circuits or components E. Henry Stevens 2001-12-18
6129493 Tee-nut with globular shaped sleeve Herbert E. Leistner, Paul D. Green 2000-10-10
4540536 Method of manufacturing transformer windings embedded in casting resin Gerhard Altmann, Wolfgang Bendel, Rudolf Dedelmahr 1985-09-10
4488134 Transformer with windings completely embedded in cast resin 1984-12-11
4349801 Single-phase transformer with windings cast in casting resin Garhard Altmann 1982-09-14