Eric C. Huffman
49Patents
21h-index
55Co-inventors
88Inventor score
Filing activity: Jun 29, 1981 → Nov 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5307976A | Linear stapling mechanism with cutting means | Human Necessities | 2,907 | Expired |
| US5485947A | Linear stapling mechanism with cutting means | Human Necessities | 2,639 | Expired |
| US5332142A | Linear stapling mechanism with cutting means | Human Necessities | 2,336 | Expired |
| US7320149B1 | Robotic extraction cleaner with dusting pad | Human Necessities | 225 | Expired |
| US7346428B1 | Robotic sweeper cleaner with dusting pad | Human Necessities | 171 | Expired |
| US6167587A | Upright extraction cleaning machine | Chemistry; Metallurgy | 158 | Expired |
| US6125498A | Handheld extraction cleaner | Emerging Cross-Sectional Technologies | 157 | Expired |
| US6192548A | Upright extraction cleaning machine with flow rate indicator | Chemistry; Metallurgy | 122 | Expired |
| US6412141B1 | Upright extraction cleaning machine | Chemistry; Metallurgy | 116 | Expired |
| US6286181A | Upright extraction cleaning machine | Chemistry; Metallurgy | 96 | Expired |
| US6968593B1 | Hand-held deep cleaner | Human Necessities | 54 | Expired |
| US7228589B2 | Unattended spot cleaning apparatus | Human Necessities | 39 | Expired |
| US5799362A | Multi-use water extraction cleaning system and method for using the same | Human Necessities | 38 | Expired |
| US6286180A | Upright water extraction cleaning machine pump priming | Chemistry; Metallurgy | 30 | Expired |
| US6880199B1 | Extraction cleaning with collapsible tanks | Human Necessities | 29 | Expired |
| US5836046A | Portable water extraction cleaner | Human Necessities | 28 | Expired |
| US6158081A | Water extraction cleaning machine with variable solution mixing valve | Chemistry; Metallurgy | 28 | Expired |
| US7631386B1 | Compact carpet spot cleaner | Human Necessities | 24 | Active |
| US8844584B1 | Apparatus and method for a pressurized dispenser refill system | Performing Operations; Transporting | 23 | Active |
| US8631538B2 | Dry vacuum cleaner with spot cleaning | Human Necessities | 22 | Active |
| US7819127B1 | Surface cleaning apparatus with ionized liquid supply | Human Necessities | 21 | Active |
| US8719998B1 | Extractor with light-sensitive stain sensor | Human Necessities | 19 | Active |
| US8606404B1 | System and method for controlling a cleaning apparatus | Physics | 19 | Active |
| US5613272A | Accessory crevice tool for use with water extraction cleaning machine | Performing Operations; Transporting | 17 | Expired |
| US7758702B1 | Extraction cleaning with surface heating | Human Necessities | 17 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.