Inventor · Ankum, DE

Peter Werkhoff

10Patents
3h-index
15Co-inventors
57Inventor score

Filing activity: Feb 10, 1978 → Aug 22, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4134535A Pressure relief valve for packing containers Emerging Cross-Sectional Technologies 96 Expired
US4540784A Recovery of caffeine adsorbed to activated carbon Chemistry; Metallurgy 4 Expired
US5145703A Thio-alkanones, process for their preparation and their use Chemistry; Metallurgy 3 Expired
US5830846A Use of 3-acylthiohexyl esters as aroma and odoriferous substances Chemistry; Metallurgy 2 Expired
US4988526A Hemimercaptals, processes for their preparation, and edible compositions containing same Chemistry; Metallurgy 2 Expired
US4308291A Process for decaffeinating green coffee Human Necessities 2 Expired
US4647662A Unsymmetrical dihydrodithiazines, and their use as fragrances and flavorings Chemistry; Metallurgy 1 Expired
US5166342A Dimethylfuryl-dihydro-1,3,5-dithiazines Human Necessities 0 Expired
US5466827A Use of thioalkanediones as aroma substances Chemistry; Metallurgy 0 Expired
US6153770A Furfurylthioalkanes, a process for their preparation and their use Human Necessities 0 Expired

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