Inventor · disambiguated record
Joseph C. Bancroft
Also filed as: BANCROFT JOSEPH C
86 granted patents·904 citations·filing 1977–1994
99Inventor score
Top patents by PatentIndex Score
86 records- 0196US4106239ALockable window constructionCROFT METALS INC·Filed 1977·Granted Aug 15, 1978·76 cites·33 claims
- 0295USD251448SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·36 cites·1 claims
- 0395USD251444SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·36 cites·1 claims
- 0494USD283352SInsert sill extrusionBANCROFT JOSEPH C·Filed 1983·Granted Apr 8, 1986·35 cites·1 claims
- 0594USD251447SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·34 cites·1 claims
- 0694USD251445SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·34 cites·1 claims
- 0793USD286194SVent head and sillBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·35 cites·1 claims
- 0892USD283353SScreen spacer extrusionBANCROFT JOSEPH C·Filed 1983·Granted Apr 8, 1986·30 cites·1 claims
- 0991USD251446SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·26 cites·1 claims
- 1089USD286198SVent latch jambBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·28 cites·1 claims
- 1189USD286186SMeeting rail extrusionBANCROFT JOSEPH C·Filed 1983·Granted Oct 14, 1986·25 cites·1 claims
- 1289USD251504SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Apr 3, 1979·22 cites·1 claims
- 1384USD360038SAdd-on pry guardBANCROFT JOSEPH C·Filed 1994·Granted Jul 4, 1995·24 cites·1 claims
- 1484USD251134SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Feb 20, 1979·17 cites·1 claims
- 1584USD251133SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Feb 20, 1979·17 cites·1 claims
- 1683USD286199SFrame sill standardBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·21 cites·1 claims
- 1782USD344809SMullion stripBANCROFT JOSEPH C·Filed 1992·Granted Mar 1, 1994·22 cites·1 claims
- 1881USD344597SFrame sill jambBANCROFT JOSEPH C·Filed 1992·Granted Feb 22, 1994·21 cites·1 claims
- 1981USD251450SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·15 cites·1 claims
- 2080USD344600SFrame sillBANCROFT JOSEPH C·Filed 1992·Granted Feb 22, 1994·20 cites·1 claims
- 2179USD283295SLatch handleBANCROFT JOSEPH C·Filed 1985·Granted Apr 8, 1986·17 cites·1 claims
- 2276USD251443SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·12 cites·1 claims
- 2376USD251391SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 20, 1979·12 cites·1 claims
- 2472USD286200SFrame latch jambBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·13 cites·1 claims
- 2567USD283294SLatch handle extrusionBANCROFT JOSEPH C·Filed 1983·Granted Apr 8, 1986·9 cites·1 claims
- 2665USD345428SGlazing beadBANCROFT JOSEPH C·Filed 1992·Granted Mar 22, 1994·11 cites·1 claims
- 2765US4713861AHinge pinCROFT METALS INC·Filed 1986·Granted Dec 22, 1987·26 cites·2 claims
- 2864US4956952AUniversal door panel systemBANCROFT JOSEPH C·Filed 1989·Granted Sep 18, 1990·25 cites·12 claims
- 2963USD286196SFrame headBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·9 cites·1 claims
- 3060USD346668SFrame memberBANCROFT JOSEPH C·Filed 1992·Granted May 3, 1994·9 cites·1 claims
- 3160USD286078SStandard frame headBANCROFT JOSEPH C·Filed 1985·Granted Oct 7, 1986·8 cites·1 claims
- 3259USD286190SFrame jamb extrusionBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·8 cites·1 claims
- 3358USD251137SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Feb 20, 1979·6 cites·1 claims
- 3457USD345429SSill exterior trimBANCROFT JOSEPH C·Filed 1992·Granted Mar 22, 1994·8 cites·1 claims
- 3557USD283296SLatch handleBANCROFT JOSEPH C·Filed 1985·Granted Apr 8, 1986·7 cites·1 claims
- 3656USD286187SMeeting rail extrusionBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·7 cites·1 claims
- 3755USD345221SFrame headBANCROFT JOSEPH C·Filed 1992·Granted Mar 15, 1994·7 cites·1 claims
- 3854USD347286SUpper vent headBANCROFT JOSEPH C·Filed 1992·Granted May 24, 1994·7 cites·1 claims
- 3954USD251449SWindow component extrusion or similar articleCROFT METALS INC·Filed 1977·Granted Mar 27, 1979·5 cites·1 claims
- 4053USD286195SFrame insert sillBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·6 cites·1 claims
- 4151USD351667SRail elementBANCROFT JOSEPH C·Filed 1993·Granted Oct 18, 1994·6 cites·1 claims
- 4250USD286201SFrame sillBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·5 cites·1 claims
- 4350USD286197SLatch jambBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·5 cites·1 claims
- 4450USD283297SSecurity latchBANCROFT JOSEPH C·Filed 1985·Granted Apr 8, 1986·5 cites·1 claims
- 4550USD283252SMeeting railBANCROFT JOSEPH C·Filed 1985·Granted Apr 1, 1986·5 cites·1 claims
- 4648USD346452SFrame sillBANCROFT JOSEPH C·Filed 1992·Granted Apr 26, 1994·5 cites·1 claims
- 4747USD283293SLatch extrusionBANCROFT JOSEPH C·Filed 1983·Granted Apr 8, 1986·3 cites·1 claims
- 4847US4576502AExtruded metal corner constructionBANCROFT JOSEPH C·Filed 1984·Granted Mar 18, 1986·13 cites·7 claims
- 4946USD286188SFrame jamb extrusionBANCROFT JOSEPH C·Filed 1985·Granted Oct 14, 1986·4 cites·1 claims
- 5046USD283354SVent sill jamb extrusionBANCROFT JOSEPH C·Filed 1983·Granted Apr 8, 1986·3 cites·1 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Joseph C. Bancroft 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 →