Patrick Hutmacher
17Patents
3h-index
20Co-inventors
60Inventor score
Filing activity: Jan 14, 1998 → Jun 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8568653B2 | Sealing valve arrangement for a shaft furnace charging installation | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US6832564B2 | Method of operating a multiple hearth furnace | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6010041A | Device for discharge of bulk material from a pressure vessel | Performing Operations; Transporting | 4 | Expired |
| US8152430B2 | Three hopper charging installation for a shaft furnace | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6210155A | Charging device for a rotary hearth furnace | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8382471B2 | Multiple hearth furnace | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6792973B2 | Gas tight shut off valve for a material charging or discharging lock | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8021603B2 | Rotary charging device for a shaft furnace equipped with a cooling system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11332673B2 | Method of charging a coke oven | Chemistry; Metallurgy | 0 | Active |
| US12295494B2 | Sofa bed with glide system | Human Necessities | 0 | Active |
| US10502491B2 | Sealing valve arrangement for a shaft furnace charging installation | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11199359B2 | Sealing valve arrangement for a shaft furnace charging installation | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12156594B2 | Sofa bed with glide system | Human Necessities | 0 | Active |
| US11542565B2 | Charging system, in particular for a shaft smelt reduction furnace | Chemistry; Metallurgy | 0 | Active |
| US11306827B2 | Slide valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US6994037B2 | Rabble arm for a furnace | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6802710B2 | Multiple hearth furnace | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.