Kenneth E. Pinnow
23Patents
9h-index
12Co-inventors
72Inventor score
Filing activity: Aug 19, 1974 → Jul 29, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4119765A | Welded ferritic stainless steel articles | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5522914A | Sulfur-containing powder-metallurgy tool steel article | Performing Operations; Transporting | 19 | Expired |
| US5830287A | Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same | Performing Operations; Transporting | 19 | Expired |
| US3957544A | Ferritic stainless steels | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4765836A | Wear and corrosion resistant articles made from pm alloyed irons | Chemistry; Metallurgy | 13 | Expired |
| US4942922A | Welded corrosion-resistant ferritic stainless steel tubing having high resistance to hydrogen embrittlement and a cathodically protected heat exchanger containing the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4421557A | Austenitic stainless steel | Chemistry; Metallurgy | 11 | Expired |
| US5238482A | Prealloyed high-vanadium, cold work tool steel particles and methods for producing the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5447800A | Martensitic hot work tool steel die block article and method of manufacture | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4769213A | Age-hardenable stainless steel having improved machinability | Chemistry; Metallurgy | 9 | Expired |
| US5989490A | Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same | Performing Operations; Transporting | 8 | Expired |
| US5936169A | Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same | Performing Operations; Transporting | 7 | Expired |
| US4613367A | Low carbon plus nitrogen, free-machining austenitic stainless steel | Chemistry; Metallurgy | 7 | Expired |
| US5344477A | Prealloyed high-vanadium, cold work tool steel particles | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5435824A | Hot-isostatically-compacted martensitic mold and die block article and method of manufacture | Chemistry; Metallurgy | 5 | Expired |
| US5538683A | Titanium-free, nickel-containing maraging steel die block article and method of manufacture | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5679908A | Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same | Performing Operations; Transporting | 5 | Expired |
| US5996679A | Apparatus for semi-solid processing of a metal | Chemistry; Metallurgy | 5 | Expired |
| US4797252A | Corrosion-resistant, low-carbon plus nitrogen austenitic stainless steels with improved machinability | Chemistry; Metallurgy | 4 | Expired |
| US5900560A | Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and method for producing the same | Performing Operations; Transporting | 4 | Expired |
| US4784828A | Low carbon plus nitrogen, free-machining austenitic stainless steel | Chemistry; Metallurgy | 4 | Expired |
| US4933142A | Low carbon plus nitrogen free-machining austenitic stainless steels with improved machinability and corrosion resistance | Chemistry; Metallurgy | 4 | Expired |
| US5482531A | Titanium-free, nickel-containing maraging steel die block article and method of manufacture | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.