David Littlejohn
27Patents
3h-index
12Co-inventors
60Inventor score
Filing activity: Jun 26, 1985 → Apr 8, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4824241A | Atomic spectroscopy | Physics | 3 | Expired |
| US4657389A | Electrothermal atomizer | Physics | 3 | Expired |
| US11091254B2 | Methods for separating rotor blade cuffs from rotor blade bodies | Emerging Cross-Sectional Technologies | 3 | Active |
| US10981673B2 | Fairing bond fixture | Performing Operations; Transporting | 2 | Active |
| US10569906B2 | Apparatus and methods for making rotorcraft rotor blades | Performing Operations; Transporting | 1 | Active |
| US10435178B2 | Machine holding fixture for machining composite laminates on a rotor blade | Performing Operations; Transporting | 1 | Active |
| US10259595B2 | Root end spar plate closure tool for blades | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10287008B2 | Bond fixture for sheath assembly of rotor blade | Performing Operations; Transporting | 0 | Active |
| US11584547B2 | Fairing bond fixture | Performing Operations; Transporting | 0 | Active |
| US10836001B2 | Mobile pressure tool for rotor blade processes | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11046460B2 | Machine holding fixture for machining composite laminates on a rotor blade | Performing Operations; Transporting | 0 | Active |
| US12071229B2 | De-ice fairing bond fixture | Performing Operations; Transporting | 0 | Active |
| US11572206B2 | Packaging system | Performing Operations; Transporting | 0 | Active |
| US10456823B2 | Bond fixture composite splice fairing assembly | Performing Operations; Transporting | 0 | Active |
| US10196140B2 | Methods for separating rotor blade cuffs from rotor blade bodies | Emerging Cross-Sectional Technologies | 0 | Active |
| US11331713B2 | Bond fixture for composite splice fairing assembly | Performing Operations; Transporting | 0 | Active |
| US11548103B2 | Mobile pressure tool for rotor blade processes | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11161627B2 | Bond fixture for sheath assembly of rotor blade | Performing Operations; Transporting | 0 | Active |
| US11220331B2 | Bond fixture for composite splice cap assembly | Performing Operations; Transporting | 0 | Active |
| US11834200B2 | Method of bonding a blade cuff to a rotor blade | Emerging Cross-Sectional Technologies | 0 | Active |
| US10421560B2 | Bond fixture for leading edge assembly | Performing Operations; Transporting | 0 | Active |
| US10647410B2 | Spinner shaft attachment | Emerging Cross-Sectional Technologies | 0 | Active |
| US10301013B2 | Bond fixture for composite splice cap assembly | Performing Operations; Transporting | 0 | Active |
| US10875638B2 | De-ice fairing bond fixture | Performing Operations; Transporting | 0 | Active |
| US11299293B2 | Bond fixture for leading edge assembly | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.