Inventor

Walter Schmidt

44Patents
13h-index
19Co-inventors
78Inventor score

Filing activity: Mar 18, 1974 → Mar 11, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5436062A Process for the production of printed circuit boards with extremely dense wiring using a metal-clad laminate Emerging Cross-Sectional Technologies 53 Expired
US6486394B1 Process for producing connecting conductors Emerging Cross-Sectional Technologies 45 Expired
US5457881A Method for the through plating of conductor foils Emerging Cross-Sectional Technologies 36 Expired
US4019350A Method of producing double-knit fabric having additional fleece threads incorporated into one face or both faces thereof Textiles; Paper 32 Expired
US5698299A Thin laminated microstructure with precisely aligned openings Emerging Cross-Sectional Technologies 25 Expired
US5382505A Method of making a laminated structure with shear force delamination resistance Electricity 22 Expired
US5729897A Method of manufacturing multilayer foil printed circuit boards Emerging Cross-Sectional Technologies 21 Expired
US5442143A Core for electrical connecting substrates and electrical connecting substrates with core, as well as process for the production thereof Electricity 19 Expired
US4592212A Circular knitting machine for the production of cut pile Textiles; Paper 18 Expired
US6162996A Insulating foil circuit board with rigid and flexible sections Electricity 18 Expired
US7087181B2 Method for fabricating micro-structures with various surface properties in multi-layer body by plasma etching Electricity 15 Expired
US4055391A Crucible Emerging Cross-Sectional Technologies 14 Expired
US5639389A Process for the production of structures Electricity 14 Expired
US6128930A Process and circular knitting machine for manufacturing a patterned pile fabric and pile element therefor Textiles; Paper 13 Expired
US4194127A Process and device for checking substrate wafers Physics 12 Expired
US4348255A Process for the preparation of an optically transparent and electrically conductive film pattern Physics 12 Expired
US6079235A Patterned float plated fabrics and methods for manufacturing aforesaid Emerging Cross-Sectional Technologies 11 Expired
US4308533A Display element having improved spacing and through-connecting of plane-parallel electrode plates, and method of making Physics 10 Expired
US4989421A Process for producing a patterned plush fabric as well as a multisystem circular knitting machine for carrying out the process Textiles; Paper 9 Expired
US4633683A Method for the manufacture of patterned pile fabrics and circular knitting machine therefor Textiles; Paper 9 Expired
US4159891A Crucible Emerging Cross-Sectional Technologies 9 Expired
US4425030A Liquid crystal display comprising an encapsulation and a liquid crystal display cell with poly-para-xylene and a method of manufacturing the same Emerging Cross-Sectional Technologies 9 Expired
US6321443A Connection substrate Emerging Cross-Sectional Technologies 9 Expired
US6218628A Foil circuit boards and semifinished products and method for the manufacture thereof Emerging Cross-Sectional Technologies 8 Expired
US5862681A Pile fabric methods and circular knitting machines with improved pile elements for manufacturing aforesaid Emerging Cross-Sectional Technologies 8 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.