Inventor · disambiguated record
Frank L. Mitchell
Also filed as: MITCHELL FRANK · MITCHELL FRANK L
27 granted patents·1 pending application·1,393 citations·filing 1975–2005
98Inventor score
Top patents by PatentIndex Score
28 records- 0197US5284184ACorrugated multi-layer tubing having at least one fluoroplastic layerITT·Filed 1992·Granted Feb 8, 1994·205 cites·29 claims
- 0296US5520223AExtruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the sameITT·Filed 1995·Granted May 28, 1996·117 cites·16 claims
- 0396US5469892ACorrugated polymeric tubing having at least three layers with at least two respective layers composed of polymeric materials dissimilar to one anotherITT AUTOMOTIVE INC·Filed 1994·Granted Nov 28, 1995·115 cites·26 claims
- 0493US5566720AElongated fuel and vapor tube having multiple layers and method of making the sameITT·Filed 1995·Granted Oct 22, 1996·89 cites·29 claims
- 0593US5460771AProcess for producing corrugated multi-layer tubing having layers of differing plastic characteristicsITT·Filed 1994·Granted Oct 24, 1995·99 cites·22 claims
- 0693US5383087AMulti-layer fuel and vapor tubeITT·Filed 1992·Granted Jan 17, 1995·116 cites·18 claims
- 0792US5590691AExtruded multiple plastic layer coating bonded to a metal tubeITT·Filed 1994·Granted Jan 7, 1997·58 cites·20 claims
- 0890US5524673AMulti-layer tubing having electrostatic dissipation for handling hydrocarbon fluidsITT·Filed 1994·Granted Jun 11, 1996·86 cites·33 claims
- 0987US5638871AExtruded multiple plastic layer coating bonded to a metal tube and process for making the sameITT·Filed 1995·Granted Jun 17, 1997·43 cites·11 claims
- 1085US6378562B1Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluidsITT·Filed 1999·Granted Apr 30, 2002·43 cites·40 claims
- 1185US5771940AExtruded multiple plastic layer coating bonded to a metal tube and process for making the sameITT·Filed 1997·Granted Jun 30, 1998·36 cites·20 claims
- 1283US5867883AExtruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optional non-reactive inner layer and process for making the sameITT·Filed 1997·Granted Feb 9, 1999·60 cites·22 claims
- 1382US5743304AMulti-layer fuel and vapor tubeITT·Filed 1994·Granted Apr 28, 1998·61 cites·28 claims
- 1473US6245183B1Process for manufacturing tubing having a metal layer with an external surface overlaying by multiple plastic layers bonded theretoITT MFG ENTERPRISES INC·Filed 1995·Granted Jun 12, 2001·22 cites·23 claims
- 1571US5884671AMulti-layer fuel and vapor tubeITT·Filed 1997·Granted Mar 23, 1999·33 cites·36 claims
- 1670US5996642AMulti-layer tubing having electrostatic dissipation for handling hydrocarbon fluidsITT·Filed 1996·Granted Dec 7, 1999·35 cites·14 claims
- 1769US6003562AExtruded multiple plastic layer coating bonded to a metal tube and process for making the sameITT·Filed 1995·Granted Dec 21, 1999·19 cites·21 claims
- 1866US6896005B2Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluidsITT MFG ENTERPRISES INC·Filed 2001·Granted May 24, 2005·11 cites·10 claims
- 1965US6634389B2Multi-layer fuel and vapor tubeITT·Filed 2001·Granted Oct 21, 2003·13 cites·19 claims
- 2065US5678611AMulti-layer fuel and vapor tubeITT·Filed 1992·Granted Oct 21, 1997·28 cites·20 claims
- 2163US5884672AMulti-layer fuel and vapor tubeITT·Filed 1997·Granted Mar 23, 1999·29 cites·39 claims
- 2263US5865218AMulti-layer fuel and vapor tubeITT·Filed 1992·Granted Feb 2, 1999·27 cites·20 claims
- 2359US2005173011A1Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluidsITT·Filed 2005·Application pending·0 cites
- 2457US6170534B1Multi-layer fuel and vapor tubeITT·Filed 1997·Granted Jan 9, 2001·21 cites·36 claims
- 2554US4112633AProtective workman and equipment coversMITCHELL FRANK L·Filed 1976·Granted Sep 12, 1978·11 cites·1 claims
- 2644US3968602AProtective workman and equipment coversMITCHELL FRANK L·Filed 1975·Granted Jul 13, 1976·7 cites·5 claims
- 2738US6321795B1Multi-layer fuel and vapor tubeITT·Filed 1992·Granted Nov 27, 2001·9 cites·20 claims
- 2830USD482906SPen storage and display caddyFiled 2003·Granted Dec 2, 2003·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →