Paul E. Gray
21Patents
10h-index
12Co-inventors
72Inventor score
Filing activity: Jun 9, 1975 → Feb 26, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4892790A | Oxidation-inhibited carbonous materials | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5094901A | Oxidation resistant ceramic matrix composites | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5989013A | Reverberatory screen for a radiant burner | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US5441762A | Coating a composite article by applying a porous particulate layer and densifying the layer by subsequently applying a ceramic layer | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4894286A | Oxidation resistant refractory coated carbon-carbon composites | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6668984B2 | Oxidation protection for carbon/carbon composite and graphite friction materials | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7686990B2 | Method of producing a ceramic matrix composite article | Chemistry; Metallurgy | 28 | Active |
| US4229028A | Pipe coupler | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5228795A | Self-tightening fitting for attachment of metal to carbon-carbon structures | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6749937B2 | Melt-infiltrated pitch-pan preforms | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5552049A | Ceramic fiber reinforced filter | Chemistry; Metallurgy | 6 | Expired |
| US10011043B2 | Method of producing an internal cavity in a ceramic matrix composite | Emerging Cross-Sectional Technologies | 6 | Active |
| US4603876A | Trailer convertor assembly | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4024006A | System for finishing pipes | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4937101A | Prereacted inhibitor powder for carbon-carbon composites | Chemistry; Metallurgy | 5 | Expired |
| US8715435B2 | Method for modifying composite articles | Emerging Cross-Sectional Technologies | 3 | Active |
| US7067077B2 | Process for manufacturing friction material suitable for use as brake lining | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10450235B2 | Method of producing an internal cavity in a ceramic matrix composite and mandrel therefor | Emerging Cross-Sectional Technologies | 2 | Active |
| US11746059B2 | Induction melt infiltration processing of ceramic matrix composite components | Chemistry; Metallurgy | 0 | Active |
| US11228680B2 | Calling party validation | Electricity | 0 | Active |
| US9751807B2 | Consumable core for manufacture of composite articles and related method | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.