John A. Signorelli
18Patents
11h-index
9Co-inventors
65Inventor score
Filing activity: Oct 4, 1976 → Oct 3, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7057392B2 | Method and apparatus for directional resistivity measurement while drilling | Physics | 41 | Expired |
| US4040279A | Security lock and key | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7414407B2 | Method and apparatus for directional resistivity measurement while drilling | Physics | 24 | Expired |
| US6616370B1 | Panel inspection plug and method for assembling and using same | Electricity | 20 | Expired |
| US6053657A | Portable safety marker | Performing Operations; Transporting | 19 | Expired |
| US4676084A | Protecting and sealing cap | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4875412A | Printing press blanket cleaner | Performing Operations; Transporting | 18 | Expired |
| US4823572A | Lockable terminal cover for bottom connected metering devices | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4155232A | Multi-combination security lock and key | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4614097A | Internal locking mechanism for barrel type locks | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4313319A | Lock and key combination with mastering concept | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7839149B2 | Multi-component resistivity logging tool with multiple antennas using common antenna grooves | Physics | 10 | Active |
| US4667597A | Printing press blanket cleaner | Performing Operations; Transporting | 10 | Expired |
| US4214530A | Metal printing plate | Performing Operations; Transporting | 8 | Expired |
| US8212567B2 | Externally mounted band antennae requiring minimal metal cutting on drillstring for reduction of mechanical stresses | Emerging Cross-Sectional Technologies | 6 | Active |
| US4490672A | Breakway meter pointers and shafts | Physics | 2 | Expired |
| US8487625B2 | Performing downhole measurement using tuned transmitters and untuned receivers | Physics | 1 | Active |
| US9146332B2 | Remotely located tuning circuits for multi-frequency, multi-purpose induction antennae in downhole tools | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.