Inventor · Bad Salzdetfurth, DE

Karl Koehler

14Patents
4h-index
28Co-inventors
56Inventor score

Filing activity: Sep 9, 1992 → Apr 13, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5366513A Preparation of granulated alkaline earth metal carbonate Chemistry; Metallurgy 59 Expired
US8113992B2 Rope tensioning device for rope networks Human Necessities 17 Active
US6479029B1 Micronized alkaline earth metal carbonate Chemistry; Metallurgy 7 Expired
US8083648B2 Spreading device for rope networks Human Necessities 5 Active
US6063735A Superconductor mixture Emerging Cross-Sectional Technologies 3 Expired
US5312604A Work-up of waste materials from barium or strontium sulfide leaching Chemistry; Metallurgy 3 Expired
US6812191B2 Superconducting bodies made of zinc-doped copper oxide material Chemistry; Metallurgy 3 Expired
US7001582B2 Micronized barium sulfate Chemistry; Metallurgy 2 Expired
US7278551B2 Dosing hopper Performing Operations; Transporting 2 Expired
US7108586B2 Method of chemical mechanical polishing using abrasive particles of alkaline earth metal salts Chemistry; Metallurgy 0 Expired
US8299157B2 Strontium carbonate dispersion and redispersible powder obtained therefrom Emerging Cross-Sectional Technologies 0 Active
US5324500A Method for processing residues of barium sulfide or strontium sulfide leaching Chemistry; Metallurgy 0 Expired
US7422195B2 Rope tensioning device for three-dimensional nets of three-dimensional frameworks Human Necessities 0 Expired
US7811668B2 Epoxy resin with increased flexural impact strength and breaking extension Emerging Cross-Sectional Technologies 0 Active

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