P

Assignee

HITCO

67 patents

Top patents by PatentIndex Score

US4351932ASep 28, 1982

Bis-maleimide/divinyl aryl crosslinking agent resin system

HITCO45 citations94
US4087482AMay 2, 1978

Furfuryl alcohol modified polyester resins containing metal atoms

HITCO57 citations94
US4083159AApr 11, 1978

Structural sound absorbing panel for underwater use and methods of making same

HITCO58 citations94
US4428992AJan 31, 1984

Method of splicing reinforcement fiber

HITCO55 citations93
US4102142AJul 25, 1978

Underwater riser buoyancy

HITCO48 citations93
US4506611AMar 26, 1985

Three-dimensional thick fabrics and methods and apparatus for making same

HITCO65 citations92
US4468497AAug 28, 1984

Elastomer modified bis-maleimide resin

HITCO48 citations91
US4377657AMar 22, 1983

Bis-maleimide resin/divinyl arylene composites

HITCO42 citations91
US4369104AJan 18, 1983

Continuous filament graphite composite electrodes

HITCO38 citations91
US4343922AAug 10, 1982

Polymers containing chemically bonded metal atoms

HITCO46 citations91
US4331582AMay 25, 1982

Epoxy latent catalyst

HITCO45 citations91
US4325999AApr 20, 1982

Bias fabric

HITCO63 citations91
US4265727AMay 5, 1981

Composite electrodes

HITCO44 citations91
US4095404AJun 20, 1978

Method of manufacturing a high-strength, polyurethane-impregnated polyamide cable

HITCO50 citations91
US3966522AJun 29, 1976

Method of making woven acoustical panel

HITCO36 citations90
US3965942AJun 29, 1976

Multi-ply woven article having stiffening elements between double plies

HITCO45 citations90
US3943980AMar 16, 1976

Multi-ply woven article having double ribs

HITCO43 citations90
US5080142AJan 14, 1992

Integrally woven multi-apertured multi-layer angle interlock fabrics

HITCO38 citations89
US4922969AMay 8, 1990

Multi-layer woven fabric having varying material composition through its thickness

HITCO45 citations89
US4409048AOct 11, 1983

High temperature consolidation process

HITCO31 citations89
US4321298AMar 23, 1982

Carbon fabrics sequentially resin coated with (1) a metal-containing composition and (2) a boron-containing composition are laminated and carbonized

HITCO50 citations89
US4610860ASep 9, 1986

Method and system for producing carbon fibers

HITCO37 citations88
US4331091AMay 25, 1982

Three-dimensional thick fabrics and method and apparatus for making same

HITCO39 citations88
US4507272AMar 26, 1985

Method of purifying partially carbonized pan material prior to carbonization

HITCO36 citations87
US4958663ASep 25, 1990

Woven multi-layer angle interlock fabrics having fill weaver yarns interwoven with relatively straight extending warp yarns

HITCO43 citations86
US4620890ANov 4, 1986

Method of making a fluted core radome

HITCO48 citations82
US4684304AAug 4, 1987

Composite stud

HITCO34 citations81
US4119481AOct 10, 1978

Fusion laminated high-temperature fabric

HITCO20 citations81
US4101354AJul 18, 1978

Coating for fibrous carbon material in boron containing composites

HITCO22 citations81
US3981689ASep 21, 1976

Insulator

HITCO43 citations81
US3980105ASep 14, 1976

Laminated article comprising pyrolytic graphite and a composite substrate therefor

HITCO36 citations81
US4661336AApr 28, 1987

Pretreatment of pan fiber

HITCO28 citations80
US4034138AJul 5, 1977

Aromatic polyamide fibers coated with a polyurethane

HITCO29 citations80
US4096104AJun 20, 1978

Finish composition for fibrous material

HITCO22 citations78
US4388289AJun 14, 1983

Method of removing alkali and alkaline earth metal impurities from oxidized pan material

HITCO19 citations75
US4045527AAug 30, 1977

Polyurethane and composite thereof

HITCO21 citations75
US4057450ANov 8, 1977

Method for making buoyancy members

HITCO19 citations74
US4517245AMay 14, 1985

Non-ionic epoxy resin emulsion finishes for carbon fibers

HITCO11 citations73
US4409288AOct 11, 1983

Epoxy resin emulsion finishes for carbon fibers

HITCO14 citations73
US4322464AMar 30, 1982

Fusion laminated high-temperature fabric

HITCO14 citations72
US3948829AApr 6, 1976

Strippable, thin, protective coating

HITCO16 citations72
US3966013AJun 29, 1976

Multi-ply woven article having acoustical elements between double plies

HITCO12 citations71
US3945093AMar 23, 1976

Method and apparatus for producing high modulus bixial fabric

HITCO7 citations71
US4256868AMar 17, 1981

Epoxy resins containing chemically bonded metal atoms

HITCO6 citations69
US4095937AJun 20, 1978

Insulation for water cooled pipes in a reheating furnace

HITCO20 citations69
US4617716AOct 21, 1986

Method of joining edges of two elongated webs

HITCO13 citations68
US4501037AFeb 26, 1985

Method for introducing heat-sensitive material into a hot environment

HITCO8 citations68
US4497098AFeb 5, 1985

Fill yarn removal apparatus

HITCO7 citations68
US4833030AMay 23, 1989

Polymer impregnated and carbonized carbon/carbon composite

HITCO16 citations67
US4173990ANov 13, 1979

Temporary fabric and method and apparatus for weaving same

HITCO17 citations67

Showing the top 50 of 67 patents by PatentIndex Score.