Samuel E. Hohulin
28Patents
16h-index
12Co-inventors
78Inventor score
Filing activity: Jan 10, 1977 → Mar 22, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4665582A | Lightweight battery powered suction broom | Human Necessities | 85 | Expired |
| US4376322A | Suction cleaner | Human Necessities | 53 | Expired |
| US6108864A | Vacuum cleaner having a reusable dirt cup | Human Necessities | 51 | Expired |
| USD421671S | Vacuum cleaner | General | 48 | Expired |
| USD283064S | Hand-held vacuum cleaner | General | 34 | Expired |
| US4621390A | Vacuum cleaner assembly | Human Necessities | 33 | Expired |
| USD315816S | Hand-held vacuum cleaner | General | 28 | Expired |
| USD399616S | Canister vacuum cleaner | General | 28 | Expired |
| USD328165S | Stick type vacuum cleaner | General | 26 | Expired |
| USD434884S | Upright vacuum cleaner | General | 25 | Expired |
| USD355283S | Canister-type vacuum cleaner | General | 23 | Expired |
| USD290895S | Battery powered suction broom | General | 23 | Expired |
| US4748713A | Vacuum cleaner assembly | Human Necessities | 22 | Expired |
| USD288971S | Hand-held vacuum cleaner with extended nozzle | General | 19 | Expired |
| USD276944S | Portable vacuum cleaner | General | 19 | Expired |
| USD406421S | Filter cartridge for an upright vacuum cleaner | General | 17 | Expired |
| USD358690S | Wheel design for a vacuum cleaner | General | 16 | Expired |
| USD429854S | Upright vacuum cleaner | General | 16 | Expired |
| USD400324S | Upright vacuum cleaner body | General | 16 | Expired |
| US4143441A | Vacuum cleaner nozzle | Human Necessities | 13 | Expired |
| USD430961S | Cordless upright vacuum cleaner | General | 13 | Expired |
| US4311493A | Vacuum cleaner bag assembly | Performing Operations; Transporting | 7 | Expired |
| US4701975A | Vacuum cleaner assembly | Human Necessities | 7 | Expired |
| USD313293S | Battery powered upright vacuum cleaner | General | 6 | Expired |
| US4648149A | Vacuum cleaner assembly | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.