Daniel R. Higgins
27Patents
8h-index
8Co-inventors
68Inventor score
Filing activity: Oct 30, 1989 → Nov 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5542650A | Apparatus for automatically cleaning smelt spouts of a chemical recovery furnace | Emerging Cross-Sectional Technologies | 86 | Expired |
| US5001992A | Apparatus for regulating air flow through an air port of a chemical recovery furnace | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5307745A | Removable damper for chemical recovery furnace | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5167192A | Damper controller for a chemical recovery furnace | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6497230B1 | Air port damper | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US8276528B1 | Pneumatic fuel distributor for solid fuel boilers | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US5414887A | Apparatus for cleaning air ports of a chemical recovery furnace | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5351631A | Removable damper for chemical recovery furnace | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8590463B1 | Method and apparatus for drying solid fuels | Mechanical Engineering; Lighting; Heating | 7 | Active |
| USD674919S1 | Stepped tile floor for a solid fuel boiler | General | 7 | Active |
| US8707876B2 | Stepped floor for solid fuel boilers | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9140446B2 | Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification | Emerging Cross-Sectional Technologies | 4 | Active |
| US7185594B2 | Method and apparatus for improving combustion in recovery boilers | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8424150B1 | Rod scraper | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9964303B2 | Combustion boiler with pre-drying fuel chute | Mechanical Engineering; Lighting; Heating | 1 | Active |
| USD616473S1 | Rod scraper | General | 1 | Expired |
| US7926747B2 | Variable orifice black liquor nozzle | Performing Operations; Transporting | 1 | Active |
| US10627105B2 | Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification | Emerging Cross-Sectional Technologies | 1 | Active |
| US9581325B2 | Method and apparatus for improved firing of biomass and other solid fuels for steam production and gasification | Emerging Cross-Sectional Technologies | 0 | Active |
| USD698945S1 | Tile for a solid fuel boiler | General | 0 | Active |
| US11015800B2 | Solid fuel burning-furnace having a vertically mounted cylindrical combustion chamber | Emerging Cross-Sectional Technologies | 0 | Active |
| USRE43733E1 | Method and apparatus for improving boiler combustion | General | 0 | Active |
| US12181779B2 | Camera retractor mechanism | Electricity | 0 | Active |
| US12044257B2 | Apparatus and method of fluid powered linear actuators with adjustable stops | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10215398B2 | Solid fuel burning-furnace having a vertically mounted cylindrical combustion chamber | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.