Thomas S. Block
21Patents
12h-index
4Co-inventors
74Inventor score
Filing activity: Feb 5, 1975 → Jan 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6448732B1 | Dual mode portable suction cleaner | Emerging Cross-Sectional Technologies | 61 | Expired |
| USD290054S | Housing for a floor cleaning machine | General | 44 | Expired |
| US4293971A | Floor treating machine with squeegee | Human Necessities | 40 | Expired |
| USD290053S | Housing for a floor maintenance machine | General | 34 | Expired |
| US4071920A | Sweeper | Human Necessities | 30 | Expired |
| US4633541A | Floor treating machine | Human Necessities | 29 | Expired |
| US4333202A | Floor scrubber with combined solution and recovery tank | Human Necessities | 27 | Expired |
| US6363571B1 | Convertible upright vacuum | Human Necessities | 26 | Expired |
| US4108268A | Actuator for self-propelled sweeper | Performing Operations; Transporting | 23 | Expired |
| US4506405A | Floor treating machine | Human Necessities | 22 | Expired |
| US4236269A | Vertical axis brush | Human Necessities | 16 | Expired |
| US3977039A | Air blast sweeper with dust control system | Fixed Constructions | 12 | Expired |
| US4251896A | Floor machine with gimballed brush drive | Human Necessities | 12 | Expired |
| US4218798A | Floor treating machine | Human Necessities | 11 | Expired |
| USD263475S | Scrubber | General | 8 | Expired |
| USD255356S | Powered sweeper | General | 5 | Expired |
| US5867556A | Anode mounting apparatus with thermal growth compensation for x-ray tube | Electricity | 3 | Expired |
| US4034434A | Sweeper dust seal | Fixed Constructions | 2 | Expired |
| US10156992B2 | Method for data reduction of items of sensor data information | Emerging Cross-Sectional Technologies | 2 | Active |
| USD388916S | Handle for a carpet cleaning machine | General | 0 | Expired |
| USD373861S | Portable carpet cleaning machine | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.