Patrick Burk
33Patents
14h-index
47Co-inventors
81Inventor score
Filing activity: Aug 13, 1992 → Nov 15, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6171556A | Method and apparatus for treating an engine exhaust gas stream | Emerging Cross-Sectional Technologies | 152 | Expired |
| US5357908A | Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines | Emerging Cross-Sectional Technologies | 101 | Expired |
| US7601662B2 | Copper CHA zeolite catalysts | Emerging Cross-Sectional Technologies | 83 | Active |
| US5283041A | Catalytic incineration of organic compounds | Performing Operations; Transporting | 61 | Expired |
| US5721188A | Thermal spray method for adhering a catalytic material to a metallic substrate | Chemistry; Metallurgy | 59 | Expired |
| US7276212B2 | Exhaust articles for internal combustion engines | Emerging Cross-Sectional Technologies | 55 | Expired |
| US8404203B2 | Processes for reducing nitrogen oxides using copper CHA zeolite catalysts | Emerging Cross-Sectional Technologies | 34 | Active |
| US5603215A | Method and apparatus for treatment of exhaust streams | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5419121A | Method and apparatus for reduction of pollutants emitted from automotive engines by flame incineration | Emerging Cross-Sectional Technologies | 33 | Expired |
| US7811962B2 | Manufacture of exhaust articles for internal combustion engines | Emerging Cross-Sectional Technologies | 18 | Active |
| US7037875B2 | Catalyst support | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8735311B2 | Copper CHA zeolite catalysts | Emerging Cross-Sectional Technologies | 17 | Active |
| US9610564B2 | NOx storage catalyst with improved hydrothermal stability and NOx conversion | Emerging Cross-Sectional Technologies | 16 | Active |
| US9011807B2 | 8-ring small pore molecular sieve as high temperature SCR catalyst | Emerging Cross-Sectional Technologies | 15 | Active |
| US6586254B1 | Method and apparatus for accelerated catalyst poisoning and deactivation | Emerging Cross-Sectional Technologies | 14 | Expired |
| US9162218B2 | Copper CHA zeolite catalysts | Emerging Cross-Sectional Technologies | 14 | Active |
| US9242238B2 | Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems, and methods | Performing Operations; Transporting | 11 | Active |
| US9138732B2 | Copper CHA zeolite catalysts | Emerging Cross-Sectional Technologies | 9 | Active |
| US6727202B2 | Enhanced NOx trap having increased durability | Emerging Cross-Sectional Technologies | 6 | Expired |
| US11904299B2 | TWC system for fuel cut NOx control | Emerging Cross-Sectional Technologies | 6 | Active |
| US9486792B2 | Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems, and methods | Performing Operations; Transporting | 6 | Active |
| US9611774B2 | Catalyst with improved hydrothermal stability | Emerging Cross-Sectional Technologies | 6 | Active |
| US8961914B2 | 8-ring small pore molecular sieve with promoter to improve low temperature performance | Performing Operations; Transporting | 6 | Active |
| US9656254B2 | Copper CHA zeolite catalysts | Emerging Cross-Sectional Technologies | 5 | Active |
| US9498775B2 | Lean NOx trap diesel oxidation catalyst with hydrocarbon storage function | Emerging Cross-Sectional Technologies | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.