John E. Holowczak
38Patents
10h-index
65Co-inventors
78Inventor score
Filing activity: Jun 21, 1993 → Jun 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6451416B1 | Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the same | Emerging Cross-Sectional Technologies | 59 | Expired |
| US6696144B2 | Hybrid monolithic ceramic and ceramic matrix composite airfoil and method for making the same | Emerging Cross-Sectional Technologies | 45 | Expired |
| US5542820A | Engineered ceramic components for the leading edge of a helicopter rotor blade | Performing Operations; Transporting | 39 | Expired |
| US7063894B2 | Environmental barrier coating for silicon based substrates | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US7422671B2 | Non-line-of-sight process for coating complexed shaped structures | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6447254B1 | Low dieletric constant erosion resistant material | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5506018A | Joining non-coplanar panels and structures of fiber reinforced composites | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6617036B2 | Barrier layer for silicon containing substrate | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5470222A | Heating unit with a high emissivity, porous ceramic flame holder | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7762768B2 | Mechanical support of a ceramic gas turbine vane ring | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US5623988A | Polymeric heat exchanger with ceramic material insert | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5474635A | Joining non-coplanar panels and structures of fiber reinforced composites | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8869673B2 | Structural panel with ballistic protection | Emerging Cross-Sectional Technologies | 7 | Active |
| US6174481A | Method for forming cast tooling for polymer molding | Performing Operations; Transporting | 6 | Expired |
| US8939728B2 | Hybrid part made from monolithic ceramic skin and CMC core | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7527479B2 | Mechanical coupling for a rotor shaft assembly of dissimilar materials | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7473049B2 | Ceramic-to-metal shaft assembly | Emerging Cross-Sectional Technologies | 4 | Active |
| US7538045B2 | Coating process to enable electrophoretic deposition | Chemistry; Metallurgy | 3 | Expired |
| US10941491B2 | Continuous multiple tow coating reactor | Chemistry; Metallurgy | 3 | Active |
| US10227888B2 | Variable vane systems | Emerging Cross-Sectional Technologies | 2 | Active |
| US9505145B2 | Hybrid part made from monolithic ceramic skin and CMC core | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8640590B2 | Armor system having ceramic composite with improved architecture | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10710111B2 | Continuous tow fiber coating reactor | Textiles; Paper | 2 | Active |
| US9103633B2 | Lightweight projectile resistant armor system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11261741B2 | Ceramic airfoil trailing end configuration | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.