Stackhouse, Inc.
16Patents
2Active
16Granted
49Portfolio score
Filing activity: Apr 27, 1988 → Mar 17, 2023
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6391102B1 | Air filtration system with filter efficiency management | Emerging Cross-Sectional Technologies | 357 | Expired |
| US5592936A | Surgical helmet | Human Necessities | 88 | Expired |
| US4810269A | Point one micron filtering system | Human Necessities | 86 | Expired |
| US5578000A | Laparoscopic smoke evacuation system | Human Necessities | 70 | Expired |
| US5253642A | Surgical gown | Human Necessities | 50 | Expired |
| US5226939A | Surgical smoke evacuation system | Human Necessities | 49 | Expired |
| US5853410A | Smoke evacuator remote on/off switch apparatus and method | Human Necessities | 38 | Expired |
| US5620441A | Smoke evacuator remote on/off switch apparatus and method | Human Necessities | 37 | Expired |
| US5588153A | Surgical gown | Human Necessities | 31 | Expired |
| US5520668A | Medical suction system and method | Human Necessities | 25 | Expired |
| US5456248A | Surgical smoke evacuator | Performing Operations; Transporting | 24 | Expired |
| US5380245A | Suction delivery system | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD304854S | Portable air filter | General | 15 | Expired |
| US5836301A | Surgical smoke evacuator filter mounting structure | Performing Operations; Transporting | 3 | Expired |
| US11613887B2 | Building system for manufactured homes | Fixed Constructions | 1 | Active |
| US12410605B2 | Building system for manufactured homes | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.