Proulx Manufacturing, Inc.
36Patents
13Active
36Granted
40Portfolio score
Filing activity: Feb 6, 1996 → Dec 11, 2014 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6519857B1 | Fixed line head for flexible line rotary trimmers | Human Necessities | 46 | Expired |
| US7882642B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Emerging Cross-Sectional Technologies | 33 | Active |
| USD630068S1 | Trimmer head for use in flexible line rotary trimmers | General | 31 | Expired |
| US7797839B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Emerging Cross-Sectional Technologies | 26 | Active |
| US8510960B2 | Trimmer head spool for use in flexible line rotary trimmer heads having improved line loading mechanism | Human Necessities | 25 | Active |
| US5814176A | Process for forming double-strand monofilament line for use in flexible line trimmers | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6928741B2 | Fixed line head for flexible line rotary trimmers | Human Necessities | 23 | Expired |
| USD638678S1 | Trimmer head for use in flexible line rotary trimmers | General | 20 | Expired |
| US7581322B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Human Necessities | 20 | Active |
| US8567073B2 | Aerodynamic trimmer head for use in flexible line rotary trimmers | Human Necessities | 20 | Active |
| USD638679S1 | Trimmer head for use in flexible line rotary trimmers | General | 19 | Expired |
| US6901667B2 | Trimmer head for use in flexible line rotary trimmers | Human Necessities | 17 | Expired |
| US8973274B2 | Fixed line head for flexible line rotary trimmers | Human Necessities | 15 | Active |
| US7275324B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Human Necessities | 14 | Expired |
| US7513046B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Human Necessities | 13 | Expired |
| US6124034A | Process for forming double-strand edged monofilament line for use in line trimmers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6910277B2 | Noise attenuating flexible cutting line for use in rotary vegetation trimmers and method of manufacture | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7762002B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Human Necessities | 9 | Active |
| US8918999B2 | Aerodynamic trimmer head for use in flexible line rotary trimmers | Human Necessities | 9 | Active |
| US8707567B2 | Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism | Human Necessities | 8 | Active |
| USD578843S1 | Flexible cutting line for rotary trimmers | General | 7 | Expired |
| USD579283S1 | Flexible cutting line for rotary trimmers | General | 7 | Expired |
| USD586191S1 | Cutting line for rotary trimmers | General | 7 | Expired |
| USD579285S1 | Flexible cutting line for rotary trimmers | General | 7 | Expired |
| USD579282S1 | Flexible cutting line for rotary trimmers | General | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.