The Scott Fetzer Company
259Patents
22Active
259Granted
44Portfolio score
Filing activity: Oct 4, 1973 → Mar 13, 2017 · 19 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5555587A | Floor mopping machine | Human Necessities | 160 | Expired |
| US5865174A | Supplemental oxygen delivery apparatus and method | Human Necessities | 158 | Expired |
| US5474090A | Exercise monitoring system capable of simultaneous transmission of voice and physiological data | Human Necessities | 154 | Expired |
| US5405434A | Electrostatic particle filtration | Emerging Cross-Sectional Technologies | 78 | Expired |
| US4403824A | Plug connector and receptacle | Electricity | 76 | Expired |
| US4573234A | Hand-held vacuum cleaner | Human Necessities | 73 | Expired |
| US4041567A | Combination sweeping-scrubbing apparatus | Human Necessities | 68 | Expired |
| US5784750A | Multi-component flow passage assembly with snap in sealing adaptor | Human Necessities | 66 | Expired |
| US4573237A | Hand vacuum with tilting intake | Human Necessities | 65 | Expired |
| US5837903A | Device for measuring exhaust flowrate using laminar flow element | Physics | 63 | Expired |
| US4363152A | Squeegee assembly for a scrubbing machine | Human Necessities | 62 | Expired |
| US4702122A | Bi-directional advance gear having a torque limiting clutch | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5251711A | Lawn mower | Performing Operations; Transporting | 58 | Expired |
| US5422494A | Barrier transmission apparatus | Physics | 55 | Expired |
| US4766927A | Abrasive fluid control valve with plastic seat | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4429433A | Surface cleaning machine with squeegee assembly | Fixed Constructions | 53 | Expired |
| US4322647A | Motor assembly | Electricity | 52 | Expired |
| US4847944A | Vacuum cleaning with powered brush roll | Human Necessities | 52 | Expired |
| US4573235A | Rug cleaning attachment | Human Necessities | 49 | Expired |
| US5584656A | Flexible impeller for a vacuum cleaner | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US3964925A | Apparatus for treating floor coverings | Human Necessities | 47 | Expired |
| US4685046A | Low voltage direct current power supply | Electricity | 46 | Expired |
| US5465451A | Brushroll | Human Necessities | 45 | Expired |
| USD245756S | Roll bar for retractable awnings | General | 45 | Expired |
| US4414634A | Fluid flow totalizer | Physics | 44 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.