Inventor · Doylestown, PA, US

David Y. Dollman

7Patents
6h-index
5Co-inventors
52Inventor score

Filing activity: Sep 6, 1978 → Apr 21, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4191596A Method and compositions for coating aluminum Chemistry; Metallurgy 70 Expired
US4762638A Alkaline cleaner for aluminum Chemistry; Metallurgy 48 Expired
US5534082A Composition and process for treating metal Chemistry; Metallurgy 30 Expired
US4370173A Composition and method for acid cleaning of aluminum surfaces Chemistry; Metallurgy 27 Expired
US4435223A Non-fluoride acid compositions for cleaning aluminum surfaces Chemistry; Metallurgy 21 Expired
US4668421A Non-fluoride acid compositions for cleaning aluminum surfaces Chemistry; Metallurgy 19 Expired
US4668305A Method for the production of chromium phosphate coatings Chemistry; Metallurgy 4 Expired

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