Inventor · Aachen, DE

Walter May

13Patents
7h-index
8Co-inventors
59Inventor score

Filing activity: Jul 25, 1974 → Sep 6, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4047875A Inhibition of corrosion in fuels with Mg/Si/Mn combinations Chemistry; Metallurgy 11 Expired
US6866010B2 Method of reducing smoke and particulate emissions from compression-ignited reciprocating engines operating on liquid petroleum fuels Chemistry; Metallurgy 11 Expired
US4196057A Cold end corrosion rate probe Physics 10 Expired
US7229482B2 Method of reducing smoke and particulate emissions from steam boilers and heaters operating on solid fossil fuels Chemistry; Metallurgy 9 Expired
US3980449A Inhibition of lead corrosion Chemistry; Metallurgy 9 Expired
US4659339A Inhibition of corrosion in fuels with Mg/Al/Si combinations Chemistry; Metallurgy 8 Expired
US6881235B2 Method of reducing smoke and particulate emissions from spark-ignited reciprocating engines operating on liquid petroleum fuels Chemistry; Metallurgy 7 Expired
US7524340B2 Catalyst and method for improving combustion efficiency in engines, boilers, and other equipment operating on fuels Chemistry; Metallurgy 4 Expired
US6986327B2 Method of reducing smoke and particulate emissions from steam boilers and heaters operating on liquid petroleum fuels Chemistry; Metallurgy 3 Expired
US9812299B2 Apparatus and method for pretreating and coating bodies Electricity 1 Active
US9879196B2 Body of molecular sized fuel additive Emerging Cross-Sectional Technologies 0 Active
US12286705B2 Coating apparatus and coating method having divided pulses Electricity 0 Active
US9773650B2 Method and device for generating an electrical discharge Electricity 0 Active

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