Metco Inc.
28Patents
0Active
28Granted
33Portfolio score
Filing activity: Jan 19, 1972 → Jul 3, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4450184A | Hollow sphere ceramic particles for abradable coatings | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4506136A | Plasma spray gun having a gas vortex producing nozzle | Electricity | 49 | Expired |
| US4445021A | Heavy duty plasma spray gun | Electricity | 36 | Expired |
| US3988566A | Automatic plasma flame spraying process and apparatus | Chemistry; Metallurgy | 33 | Expired |
| US4578114A | Aluminum and yttrium oxide coated thermal spray powder | Emerging Cross-Sectional Technologies | 31 | Expired |
| US3991240A | Composite iron molybdenum boron flame spray powder | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4121083A | Method and apparatus for plasma flame-spraying coating material onto a substrate | Electricity | 24 | Expired |
| US3976332A | Powder feed device for flame spray guns | Chemistry; Metallurgy | 18 | Expired |
| US4122327A | Automatic plasma flame spraying process and apparatus | Chemistry; Metallurgy | 18 | Expired |
| US3949266A | Circuit means for automatically establishing an arc in a plasma flame spraying gun | Chemistry; Metallurgy | 18 | Expired |
| US4578115A | Aluminum and cobalt coated thermal spray powder | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4561808A | Powder feed pickup device for thermal spray guns | Performing Operations; Transporting | 16 | Expired |
| US4019875A | Aluminum-coated nickel or cobalt core flame spray materials | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4121082A | Method and apparatus for shielding the effluent from plasma spray gun assemblies | Electricity | 15 | Expired |
| US4421799A | Aluminum clad refractory oxide flame spraying powder | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4358053A | Flame spraying device with rocket acceleration | Performing Operations; Transporting | 14 | Expired |
| US4388373A | Coating plastic substrates with minerals | Emerging Cross-Sectional Technologies | 12 | Expired |
| US3958097A | Plasma flame-spraying process employing supersonic gaseous streams | Chemistry; Metallurgy | 11 | Expired |
| US4024369A | Dual size wire arc spray gun | Performing Operations; Transporting | 10 | Expired |
| US4181525A | Self-bonding flame spray powders for producing readily machinable coatings | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4276353A | Self-bonding flame spray wire for producing a readily grindable coating | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4430546A | Plasma spray gun nozzle | Electricity | 8 | Expired |
| US4076883A | Flame-sprayable flexible wires | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3933040A | Flowmeter | Physics | 6 | Expired |
| US4370367A | Self-bonding flame spray wire for producing a readily grindable coating | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.