Inventor · Center Valley, PA, US

Herbert E. Townsend

16Patents
7h-index
13Co-inventors
63Inventor score

Filing activity: Jun 18, 1973 → Nov 23, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US4401727A Ferrous product having an alloy coating thereon of Al-Zn-Mg-Si Alloy, and method Emerging Cross-Sectional Technologies 44 Expired
US5043230A Zinc-maganese alloy coated steel sheet Emerging Cross-Sectional Technologies 30 Expired
US7490416B2 Shoe with cushioning and speed enhancement midsole components and method for construction thereof Human Necessities 17 Expired
US6131473A Retractable humidity sensor for use in corrosion test chambers Physics 11 Expired
US4500399A Method of producing metal-filled organic coating Chemistry; Metallurgy 10 Expired
US4264684A Zinc-alloy coated ferrous product resistant to embrittlement Emerging Cross-Sectional Technologies 10 Expired
US4287009A Method of producing an aluminum-zinc alloy coated ferrous product to improve corrosion resistance Chemistry; Metallurgy 9 Expired
US4350540A Method of producing an aluminum-zinc alloy coated ferrous product to improve corrosion resistance Emerging Cross-Sectional Technologies 7 Expired
US4606800A Coating method and product thereof Emerging Cross-Sectional Technologies 6 Expired
US4615732A Fe-Al-Cr-P-(B,C) amorphous alloy Chemistry; Metallurgy 4 Expired
US5238510A Metal sheet and method for producing the same Chemistry; Metallurgy 4 Expired
US4479832A Method of producing light absorptive surface on aluminum zinc alloy coated product Emerging Cross-Sectional Technologies 4 Expired
US3945795A Means for preventing damage to jacketed flexible pumping strand Emerging Cross-Sectional Technologies 2 Expired
US3966421A Ultra-high strength steel containing CaO, MgO, BaO or SrO having improved resistance to environmental stress corrosion cracking Emerging Cross-Sectional Technologies 2 Expired
US4840712A Process for improving wear on conductor rolls in electroplating of steel surfaces Chemistry; Metallurgy 1 Expired
US4019901A Ultra-high strength steel having improved resistance to environmental stress corrosion cracking Chemistry; Metallurgy 1 Expired

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