Mark Howell
14Patents
6h-index
12Co-inventors
63Inventor score
Filing activity: Nov 3, 1975 → Jan 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4672321A | Method and apparatus for electromagnetically surveying a remote elongate conductor employing a detector assembly having plural electromagnetic transducer assemblies | Physics | 43 | Expired |
| US5754049A | Method and apparatus for locating buried conductors in the presence of plural conductors | Physics | 30 | Expired |
| US4220913A | Apparatus for and methods of electromagnetic surveying of elongated underground conductors | Physics | 27 | Expired |
| US5247835A | Pile tester | Fixed Constructions | 18 | Expired |
| US4085360A | Method and apparatus for determining the presence of or absence of an underground body | Physics | 15 | Expired |
| US5454866A | Grout composition | Chemistry; Metallurgy | 10 | Expired |
| US5318387A | Yieldable load support | Fixed Constructions | 4 | Expired |
| US5547317A | Mine support system | Fixed Constructions | 4 | Expired |
| US4006445A | Apparatus for and methods of seismic prospecting | Physics | 4 | Expired |
| US5684403A | Method and apparatus for the location of remote conductors by analysis of signals induced in an antenna array | Physics | 1 | Expired |
| US7073981B2 | Rock stabilizer | Fixed Constructions | 1 | Expired |
| US6556136B2 | Method and apparatus for use in location of conductors | Physics | 0 | Expired |
| US11245351B2 | Power generation source and distribution system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11451186B2 | Power generation source and distribution system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.