Inventor
MITCHELL FRANK L
US25 patents
⚠️ This page may combine multiple inventors who share the name “MITCHELL FRANK L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ITT
19 patentsUS5284184AFeb 8, 1994
Corrugated multi-layer tubing having at least one fluoroplastic layer
ITT205 citations99
US5383087AJan 17, 1995
Multi-layer fuel and vapor tube
ITT116 citations98
US5520223AMay 28, 1996
Extruded 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 same
ITT117 citations97
US5743304AApr 28, 1998
Multi-layer fuel and vapor tube
ITT61 citations96
US5566720AOct 22, 1996
Elongated fuel and vapor tube having multiple layers and method of making the same
ITT89 citations96
US5460771AOct 24, 1995
Process for producing corrugated multi-layer tubing having layers of differing plastic characteristics
ITT99 citations96
US5867883AFeb 9, 1999
Extruded 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 same
ITT60 citations95
US5771940AJun 30, 1998
Extruded multiple plastic layer coating bonded to a metal tube and process for making the same
ITT36 citations95
US5638871AJun 17, 1997
Extruded multiple plastic layer coating bonded to a metal tube and process for making the same
ITT43 citations95
US5590691AJan 7, 1997
Extruded multiple plastic layer coating bonded to a metal tube
ITT58 citations95
US5524673AJun 11, 1996
Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
ITT86 citations95
US6378562B1Apr 30, 2002
Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
ITT43 citations92
US6003562ADec 21, 1999
Extruded multiple plastic layer coating bonded to a metal tube and process for making the same
ITT19 citations92
US5996642ADec 7, 1999
Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
ITT35 citations92
US5884672AMar 23, 1999
Multi-layer fuel and vapor tube
ITT29 citations92
US5884671AMar 23, 1999
Multi-layer fuel and vapor tube
ITT33 citations92
US5678611AOct 21, 1997
Multi-layer fuel and vapor tube
ITT28 citations92
US6634389B2Oct 21, 2003
Multi-layer fuel and vapor tube
ITT13 citations84
US6321795B1Nov 27, 2001
Multi-layer fuel and vapor tube
ITT9 citations74
ITT MFG ENTERPRISES INC
2 patentsUS6245183B1Jun 12, 2001
Process for manufacturing tubing having a metal layer with an external surface overlaying by multiple plastic layers bonded thereto
ITT MFG ENTERPRISES INC22 citations92
US6896005B2May 24, 2005
Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
ITT MFG ENTERPRISES INC11 citations73