Inventor · Kelsterbach, DE

Erich Kessler

14Patents
9h-index
15Co-inventors
69Inventor score

Filing activity: Aug 16, 1972 → Jan 8, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4708799A Hollow fiber membrane for plasma separation Emerging Cross-Sectional Technologies 106 Expired
US4381274A Process for the production of a multicomponent yarn composed of at least two synthetic polymer components Textiles; Paper 30 Expired
US6497752B1 Integrally asymmetrical polyolefin membrane Performing Operations; Transporting 23 Expired
US6409921B1 Integrally asymmetrical polyolefin membrane for gas exchange Physics 18 Expired
US4164603A Filaments and fibers having discontinuous cavities Emerging Cross-Sectional Technologies 17 Expired
US6375876B1 Method for producing an integrally asymmetrical polyolefin membrane Performing Operations; Transporting 17 Expired
US4564488A Methods for the preparation of porous fibers and membranes Chemistry; Metallurgy 14 Expired
US4434250A Porous tubing Chemistry; Metallurgy 11 Expired
US4396366A Device for the production of a multicomponent yarn composed of at least two synthetic polymer components Textiles; Paper 10 Expired
US4380594A Filaments and fibers having discontinuous cavities Emerging Cross-Sectional Technologies 8 Expired
US4106244A Cooling tower Emerging Cross-Sectional Technologies 7 Expired
US7429343B2 Process for producing polyolefin membrane with integrally asymmetrical structure Performing Operations; Transporting 5 Expired
US4744906A Porous fibers and membranes and methods for their preparation and use Chemistry; Metallurgy 5 Expired
US4482254A Fluid mixing apparatus and method Performing Operations; Transporting 5 Expired

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