Inventor · disambiguated record
J. Charles Headrick
Also filed as: HEADRICK J CHARLES
17 granted patents·1 pending application·1,109 citations·filing 1976–2004
96Inventor score
Files withHEADRICK J CHARLES3BUILDING MATERIALS INVEST CORP2ENDURA PRODUCTS INC2HEADRICK BUILDING PRODUCTS INC1HEADRICK MANAGEMENT CORP1
Top patents by PatentIndex Score
18 records- 0196US5426894AContinuous sidelight sill with adaptable threshold capsFiled 1993·Granted Jun 27, 1995·128 cites·15 claims
- 0294US6371847B2Ridge ventilation systemFiled 2001·Granted Apr 16, 2002·61 cites·15 claims
- 0394US6227963B1Ridge ventilation systemFiled 1999·Granted May 8, 2001·87 cites·14 claims
- 0494US5136814ADraining door sill assembly with adjustable threshold capHEADRICK MANAGEMENT CORP·Filed 1991·Granted Aug 11, 1992·138 cites·18 claims
- 0593US5611173AContinuous sidelight sill with adaptable threshold caps and removable paint shieldHEADRICK MANUFACTURING CO INC·Filed 1994·Granted Mar 18, 1997·157 cites·5 claims
- 0693USD354572SCombined door sill and thresholdHEADRICK J CHARLES·Filed 1993·Granted Jan 17, 1995·47 cites·1 claims
- 0791US5588266AContinuous sidelight sill with adaptable threshold caps and removable paint shieldFiled 1994·Granted Dec 31, 1996·85 cites·8 claims
- 0890US6302785B1Foundation vent with improved net free ventilation areaHEADRICK BUILDING PRODUCTS INC·Filed 2000·Granted Oct 16, 2001·83 cites·2 claims
- 0989US5857291AAstragal with integral sealing lock blockHEADRICK MANUFACTURING COMPANY·Filed 1996·Granted Jan 12, 1999·86 cites·15 claims
- 1084US6453631B1Reinforced coextruded plastic jambENDURA PRODUCTS INC·Filed 1999·Granted Sep 24, 2002·47 cites·13 claims
- 1182US7024828B2Rollable baffled ridge ventBUILDING MATERIALS INVEST CORP·Filed 2002·Granted Apr 11, 2006·34 cites·20 claims
- 1282US6219971B1Jamb and threshold assembly with watertight sealsENDURA PRODUCTS INC·Filed 1999·Granted Apr 24, 2001·55 cites·8 claims
- 1380US7165363B2Manually separable ridge ventBUILDING MATERIALS INVEST CORP·Filed 2003·Granted Jan 23, 2007·38 cites·15 claims
- 1477USD366119SCombined handicap door sill and thresholdHEADRICK J CHARLES·Filed 1994·Granted Jan 9, 1996·19 cites·1 claims
- 1577US4082212AGalvanized tube welded seam repair metallizing processSOUTHWIRE CO·Filed 1976·Granted Apr 4, 1978·33 cites·8 claims
- 1648USRE44832ERidge ventilation systemHEADRICK J CHARLES·Filed 2003·Granted Apr 8, 2014·3 cites·15 claims
- 1744US4191319AGalvanized tube welded seam repair metallizing processSOUTHWIRE·Filed 1978·Granted Mar 4, 1980·8 cites·5 claims
- 1843US2004237428A1Manually separable ridge ventFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →