Matthew A. McMahon
22Patents
10h-index
26Co-inventors
75Inventor score
Filing activity: Jan 26, 1973 → Nov 23, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4983296A | Partial oxidation of sewage sludge | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5230211A | Partial oxidation of sewage sludge | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4933086A | Partial oxidation of sewage sludge | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5273556A | Process for disposing of sewage sludge | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4416674A | Filter for treating a particle-carrying gaseous stream | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5217625A | Process for disposing of sewage sludge | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4218222A | Method of charging solids into coal gasification reactor | Chemistry; Metallurgy | 18 | Expired |
| US5266085A | Process for disposing of sewage sludge | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5234469A | Process for disposing of sewage sludge | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3993456A | Process for desulfurizing pipelined coal | Chemistry; Metallurgy | 11 | Expired |
| US4128401A | Cellular solvent refined coal and methods for making same | Chemistry; Metallurgy | 6 | Expired |
| US4568572A | Method of forming an alumina coated substrate | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4304571A | Coal beneficiation | Chemistry; Metallurgy | 4 | Expired |
| US4446057A | Apparatus and method for the manufacture of gas filters | Chemistry; Metallurgy | 3 | Expired |
| US4553499A | Method and apparatus for the production of exhaust gas filters | Performing Operations; Transporting | 3 | Expired |
| US4289810A | In-situ cavity coating method | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4083696A | Process for desulfurizing pipelined coal | Chemistry; Metallurgy | 3 | Expired |
| US5423992A | Chemically disinfected sewage sludge-containing materials | Chemistry; Metallurgy | 3 | Expired |
| US3948992A | Oxidation of hydrocarbons in the presence of synergistic combination of initiators | Chemistry; Metallurgy | 2 | Expired |
| US4064175A | Organic nitrogen-containing initiators for hydrocarbon conversion | Chemistry; Metallurgy | 1 | Expired |
| US4252539A | Solid fuel composition | Chemistry; Metallurgy | 1 | Expired |
| US4448822A | Apparatus and method for the production of gas filters | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.