Samuel Cheng
26Patents
3h-index
37Co-inventors
63Inventor score
Filing activity: May 25, 1994 → Feb 29, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5447045A | Apparatus for locking a closed notebook computer on a computer support | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5469327A | Portable computer with supporting legs | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5447044A | Apparatus for locking a notebook computer on a computer support | Emerging Cross-Sectional Technologies | 26 | Expired |
| US10107413B2 | Self-contained gate valve column loading prevention mechanism | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10745992B2 | Pressure energized seal actuator ring | Fixed Constructions | 1 | Active |
| US11939832B2 | Casing slip hanger retrieval tool system and method | Fixed Constructions | 1 | Active |
| US11920416B2 | Metal-to-metal annulus packoff retrieval tool system and method | Fixed Constructions | 1 | Active |
| US10196874B2 | Secondary thrust wireline shearing valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10927637B2 | System and method for reducing setting loads | Fixed Constructions | 1 | Active |
| US11851971B2 | System and method for hanger and packoff lock ring actuation | Fixed Constructions | 1 | Active |
| US11384619B2 | Casing hanger actuated load shoulder | Fixed Constructions | 0 | Active |
| US11867018B2 | Annular seal assembly with axial load decoupling feature | Fixed Constructions | 0 | Active |
| US12221848B2 | Casing slip hanger retrieval tool system and method | Fixed Constructions | 0 | Active |
| US12188322B2 | Lockdown ring using a self-locking wedge | Fixed Constructions | 0 | Active |
| USD1085169S1 | Weeding device | General | 0 | Active |
| US10458198B2 | Test dart system and method | Fixed Constructions | 0 | Active |
| USD1080364S1 | Accessory for organizational system | General | 0 | Active |
| US12228001B2 | Mechanical connector with interface having stepped tapers | Fixed Constructions | 0 | Active |
| US11851972B2 | Bi-directional wellhead annulus packoff with integral seal and hanger lockdown ring | Fixed Constructions | 0 | Active |
| US12385347B2 | Reinforced compression plate split for slip hanger | Fixed Constructions | 0 | Active |
| US11649689B1 | Sequential retrieval mechanism for bi-directional wellhead annulus packoff | Fixed Constructions | 0 | Active |
| US12163397B2 | System and method for hanger and packoff lock ring actuation | Fixed Constructions | 0 | Active |
| US11492865B2 | Annular seal assembly with axial load decoupling feature | Fixed Constructions | 0 | Active |
| US12258827B2 | Compliant compression plate for a slip hanger or packoff | Fixed Constructions | 0 | Active |
| US10830006B2 | Centralizing and protecting sabot | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.