Michael L. Bowyer
11Patents
7h-index
7Co-inventors
59Inventor score
Filing activity: Oct 10, 1979 → Jan 13, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4432417A | Control pressure actuated downhole hanger apparatus | Fixed Constructions | 33 | Expired |
| US4281858A | Selectively bridged expansion joint | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4433725A | Adjustable spacer with rotational lock | Fixed Constructions | 20 | Expired |
| US4446922A | Adjustable safety valve | Fixed Constructions | 17 | Expired |
| US4460040A | Equalizing annulus valve | Fixed Constructions | 15 | Expired |
| US4423782A | Annulus safety apparatus | Fixed Constructions | 14 | Expired |
| US4478288A | Apparatus with annulus safety valve for through tubing injection and method of use | Fixed Constructions | 11 | Expired |
| US4406325A | Selective no-go apparatus | Fixed Constructions | 7 | Expired |
| US4427064A | Wire line no-blow tool | Fixed Constructions | 4 | Expired |
| US10307973B2 | Method of manufacturing a composite component | Performing Operations; Transporting | 3 | Active |
| US11320404B2 | Apparatus and a method of ultrasonically inspecting a component | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.