Inventor · Columbus, IN, US

Robert A. Rapp

29Patents
11h-index
38Co-inventors
75Inventor score

Filing activity: Feb 3, 1977 → Jan 6, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6801788B1 Distributed architecture for a base station transceiver subsystem having a radio unit that is remotely programmable Emerging Cross-Sectional Technologies 50 Expired
US4455211A Composition suitable for inert electrode Chemistry; Metallurgy 49 Expired
US4094021A Swimming pool cover Emerging Cross-Sectional Technologies 32 Expired
US4657067A Hypereutectic direct-contact thermal storage material and method of production thereof Emerging Cross-Sectional Technologies 32 Expired
US4468299A Friction welded nonconsumable electrode assembly and use thereof for electrolytic production of metals and silicon Chemistry; Metallurgy 31 Expired
US6071000A Vehicle lamp with ram air vent Mechanical Engineering; Lighting; Heating 25 Expired
US4584172A Method of making composition suitable for use as inert electrode having good electrical conductivity and mechanical properties Chemistry; Metallurgy 23 Expired
US4873038A Method for producing ceramic/metal heat storage media, and to the product thereof Emerging Cross-Sectional Technologies 20 Expired
US5004714A Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby Chemistry; Metallurgy 19 Expired
US4454015A Composition suitable for use as inert electrode having good electrical conductivity and mechanical properties Chemistry; Metallurgy 19 Expired
US5364659A Codeposition of chromium and silicon diffusion coatings in FE-base alloys using pack cementation Chemistry; Metallurgy 16 Expired
US4956338A Methods for forming complex oxidation reaction products including superconducting articles Emerging Cross-Sectional Technologies 10 Expired
US5492727A Method of depositing chromium and silicon on a metal to form a diffusion coating Chemistry; Metallurgy 9 Expired
US5589220A Method of depositing chromium and silicon on a metal to form a diffusion coating Chemistry; Metallurgy 9 Expired
US5484493A Aluminum base alloy Chemistry; Metallurgy 5 Expired
US5415708A Aluminum base alloy and method for preparing same Chemistry; Metallurgy 5 Expired
US5942097A Method and apparatus featuring a non-consumable anode for the electrowinning of aluminum Chemistry; Metallurgy 5 Expired
US5149678A Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby Chemistry; Metallurgy 4 Expired
US5102864A Methods for forming complex oxidation reaction products including superconducting articles Emerging Cross-Sectional Technologies 4 Expired
US5960387A Method and apparatus for compressing and decompressing a voice message in a voice messaging system Physics 2 Expired
US4392928A Method of doping a semiconductor Electricity 2 Expired
US5275982A Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby Chemistry; Metallurgy 2 Expired
US5884268A Method and apparatus for reducing artifacts that result from time compressing and decompressing speech Physics 2 Expired
US5523270A Complex perovskite oxidation reaction products Chemistry; Metallurgy 1 Expired
US6039862A Method featuring a non-consumable anode for the electrowinning of aluminum Chemistry; Metallurgy 1 Expired

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