Inventor · disambiguated record
Fred L. Pirkle
Also filed as: PIRKLE FRED L
17 granted patents·778 citations·filing 1983–2009
96Inventor score
Top patents by PatentIndex Score
17 records- 0197US4717112AComputer workstationPIRKLE FRED L·Filed 1986·Granted Jan 5, 1988·136 cites·7 claims
- 0291US5623990ATemperature-controlled water delivery systemTEXAN CORP·Filed 1995·Granted Apr 29, 1997·133 cites·22 claims
- 0391US4848389AFreeze protection devicePIRKLE FRED L·Filed 1989·Granted Jul 18, 1989·67 cites·2 claims
- 0488US4460007AValve mechanismPIRKLE FRED L·Filed 1983·Granted Jul 17, 1984·51 cites·29 claims
- 0587US8056265B2Shoe tying aid and methodPIRKLE FRED L·Filed 2009·Granted Nov 15, 2011·31 cites·12 claims
- 0687US7516692B2Method and apparatus for slow cookingTHERM OMEGA TECH INC·Filed 2004·Granted Apr 14, 2009·52 cites·16 claims
- 0787US4883082ATemperature-responsive valvePIRKLE FRED L·Filed 1989·Granted Nov 28, 1989·50 cites·6 claims
- 0886US6325092B1Thermally responsive valveFiled 2000·Granted Dec 4, 2001·31 cites·8 claims
- 0985US5533354APersonal comfort apparatusTEXAN CORP·Filed 1994·Granted Jul 9, 1996·78 cites·11 claims
- 1077US6029686AThermally responsive valveFiled 1997·Granted Feb 29, 2000·32 cites·15 claims
- 1167US6185859B1Tubing made from resilient plastics and devices made therefromTEXAN CORP·Filed 1999·Granted Feb 13, 2001·28 cites·11 claims
- 1263US6616058B1ValveTHERM OMEGA TECH INC·Filed 2002·Granted Sep 9, 2003·11 cites·23 claims
- 1356US5816493AThermally expansible compositions methods for preparation and devices using sameTEXAN CORP·Filed 1996·Granted Oct 6, 1998·23 cites·9 claims
- 1455US6192619B1Fisherman's release clipTEXAN CORP·Filed 1999·Granted Feb 27, 2001·16 cites·14 claims
- 1551US6186481B1Quiet steam-water mixerTHERM OMEGA TECH INC·Filed 1999·Granted Feb 13, 2001·16 cites·25 claims
- 1651US4438777AFreeze protection valve with improved resetting capabilityPIRKLE FRED L·Filed 1983·Granted Mar 27, 1984·14 cites·7 claims
- 1740US5454184AAdjustable outrigger release clip for sportfishingTEXAN CORP·Filed 1994·Granted Oct 3, 1995·9 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Fred L. Pirkle files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →