Michael Carpenter
21Patents
12h-index
19Co-inventors
78Inventor score
Filing activity: Mar 6, 1978 → Oct 31, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD695269S1 | Loudspeaker | General | 61 | Active |
| USD443870S | Headset | General | 57 | Expired |
| US6496589B1 | Headset with overmold | Electricity | 38 | Expired |
| USD469770S1 | Headset signal converter pod | General | 35 | Expired |
| USD695717S1 | Loudspeaker grille | General | 34 | Active |
| US7205898B2 | RFID tags | Physics | 33 | Expired |
| US7378973B2 | RFID tags having improved read range | Emerging Cross-Sectional Technologies | 21 | Expired |
| USD941263S1 | Loudspeaker cabinet | General | 20 | Active |
| US6433936B1 | Lens of gradient dielectric constant and methods of production | Performing Operations; Transporting | 14 | Expired |
| USD444143S | Microphone | General | 14 | Expired |
| US7375639B2 | RFID tags having improved read range | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD837187S1 | Loudspeaker cabinet | General | 13 | Active |
| USD448751S | Earphone headset | General | 11 | Expired |
| USD752549S1 | Line array element | General | 10 | Active |
| USD449038S | Headset | General | 9 | Expired |
| USD534159S1 | Speaker enclosure | General | 7 | Expired |
| USD704680S1 | Loudspeaker waveguide | General | 6 | Active |
| USD752557S1 | Line array element without grill | General | 5 | Active |
| US4147904A | Microphone with channel selector and push-to-talk button interlock | Electricity | 5 | Expired |
| US7515052B2 | RFID tags | Physics | 4 | Active |
| USD747700S1 | Grill | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.