Assignee
HOWMET CORP
US87 patents
Top patents by PatentIndex Score
US5716720AFeb 10, 1998
Thermal barrier coating system with intermediate phase bondcoat
HOWMET CORP164 citations98
US5296308AMar 22, 1994
Investment casting using core with integral wall thickness control means
HOWMET CORP199 citations96
US5014763AMay 14, 1991
Method of making ceramic cores
HOWMET CORP112 citations96
US7278460B2Oct 9, 2007
Ceramic casting core and method
HOWMET CORP41 citations95
US5284620AFeb 8, 1994
Investment casting a titanium aluminide article having net or near-net shape
HOWMET CORP54 citations95
US5264245ANov 23, 1993
CVD method for forming uniform coatings
HOWMET CORP60 citations95
US5261963ANov 16, 1993
CVD apparatus comprising exhaust gas condensation means
HOWMET CORP52 citations95
US4055923ANov 1, 1977
Wall framing system and components thereof
HOWMET CORP142 citations95
US5507306AApr 16, 1996
Cleaning apparatus and method for cleaning internal airfoil cooling passages
HOWMET CORP45 citations94
US5394932AMar 7, 1995
Multiple part cores for investment casting
HOWMET CORP74 citations93
US4155206AMay 22, 1979
Insulated metal roofing system
HOWMET CORP85 citations93
US5462013AOct 31, 1995
CVD apparatus and method for forming uniform coatings
HOWMET CORP37 citations92
US5429796AJul 4, 1995
TiAl intermetallic articles
HOWMET CORP38 citations92
US5407704AApr 18, 1995
CVD apparatus and method
HOWMET CORP33 citations92
US5309976AMay 10, 1994
Continuous pour directional solidification method
HOWMET CORP32 citations92
US5273708ADec 28, 1993
Method of making a dual alloy article
HOWMET CORP37 citations92
US5263530ANov 23, 1993
Method of making a composite casting
HOWMET CORP27 citations92
US5241737ASep 7, 1993
Method of making a composite casting
HOWMET CORP21 citations92
US5241738ASep 7, 1993
Method of making a composite casting
HOWMET CORP23 citations92
US5126082AJun 30, 1992
Method of making ceramic cores and other articles
HOWMET CORP48 citations92
US4966225AOct 30, 1990
Ceramic shell mold for investment casting and method of making the same
HOWMET CORP53 citations92
US4764225AAug 16, 1988
Alloys for high temperature applications
HOWMET CORP42 citations92
US3935034AJan 27, 1976
Boron diffusion coating process
HOWMET CORP43 citations92
US6911234B2Jun 28, 2005
Chemical vapor deposition apparatus and method
HOWMET CORP17 citations91
US5981083ANov 9, 1999
Method of making composite castings using reinforcement insert cladding
HOWMET CORP30 citations91
US5678298AOct 21, 1997
Method of making composite castings using reinforcement insert cladding
HOWMET CORP29 citations91
US5484008AJan 16, 1996
Thermocouple positioner for directional solidification apparatus/process
HOWMET CORP20 citations91
US5350466ASep 27, 1994
Creep resistant titanium aluminide alloy
HOWMET CORP48 citations91
US5335717AAug 9, 1994
Oxidation resistant superalloy castings
HOWMET CORP28 citations91
US5318217AJun 7, 1994
Method of enhancing bond joint structural integrity of spray cast article
HOWMET CORP24 citations91
US5297615AMar 29, 1994
Complaint investment casting mold and method
HOWMET CORP63 citations91
US4837187AJun 6, 1989
Alumina-based core containing yttria
HOWMET CORP57 citations91
US3957715AMay 18, 1976
Casting of high melting point metals and cores therefor
HOWMET CORP42 citations91
US5618353AApr 8, 1997
Cleaning, method for cleaning internal airfoil cooling passages
HOWMET CORP32 citations90
US5498132AMar 12, 1996
Improved hollow cast products such as gas-cooled gas turbine engine blades
HOWMET CORP35 citations90
US8997836B2Apr 7, 2015
Ceramic core with composite insert for casting airfoils
HOWMET CORP17 citations89
US7153376B2Dec 26, 2006
Yttrium modified amorphous alloy
HOWMET CORP16 citations89
US5287910AFeb 22, 1994
Permanent mold casting of reactive melt
HOWMET CORP23 citations89
US5273204ADec 28, 1993
Method for joining materials by metal spraying
HOWMET CORP22 citations88
US5592984AJan 14, 1997
Investment casting with improved filling
HOWMET CORP44 citations87
US4998581AMar 12, 1991
Reinforced ceramic investment casting shell mold and method of making such mold
HOWMET CORP29 citations87
US4923508AMay 8, 1990
Segmented induction skull melting crucible and method
HOWMET CORP48 citations87
US5226946AJul 13, 1993
Vacuum melting/casting method to reduce inclusions
HOWMET CORP51 citations85
US4832112AMay 23, 1989
Method of forming a fine-grained equiaxed casting
HOWMET CORP45 citations84
US7901788B2Mar 8, 2011
CVD condeposition of A1 and one or more reactive (gettering) elements to form protective aluminide coating
HOWMET CORP7 citations83
US7270166B2Sep 18, 2007
Fugitive pattern assembly and method
HOWMET CORP19 citations83
US4140555AFeb 20, 1979
Nickel-base casting superalloys
HOWMET CORP41 citations83
US6896750B2May 24, 2005
Tantalum modified amorphous alloy
HOWMET CORP17 citations81
US5354351AOct 11, 1994
Cr-bearing gamma titanium aluminides and method of making same
HOWMET CORP18 citations81
US4011107AMar 8, 1977
Boron diffusion coating process
HOWMET CORP22 citations81
Showing the top 50 of 87 patents by PatentIndex Score.