AMTEL CORPORTATION
57Patents
11Active
57Granted
40Portfolio score
Filing activity: Feb 12, 1975 → Mar 17, 2022 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4060335A | Spade drill | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4115024A | Spade drill blade | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4315408A | Offshore liquified gas transfer system | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4650431A | Quick disconnect storage production terminal | Performing Operations; Transporting | 31 | Expired |
| US4647076A | High pressure fluid swivel | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4637335A | Offshore hydrocarbon production system | Performing Operations; Transporting | 26 | Expired |
| US4828292A | Adjustable fluid swivel | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4802431A | Lightweight transfer referencing and mooring system | Fixed Constructions | 20 | Expired |
| US4138751A | Removable fluid swivel for mooring terminals | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US3973861A | Deburring tool | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4645467A | Detachable mooring and cargo transfer system | Performing Operations; Transporting | 18 | Expired |
| US4727819A | Single line mooring system | Performing Operations; Transporting | 15 | Expired |
| US4176615A | Mooring attachment for single point mooring terminals | Performing Operations; Transporting | 15 | Expired |
| US4797033A | Anchor line-stabilized system | Performing Operations; Transporting | 13 | Expired |
| US4317474A | Mooring terminal for transferring difficult cargo | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4326312A | Single leg mooring terminal | Performing Operations; Transporting | 12 | Expired |
| US4301840A | Fixed turret subsea hydrocarbon production terminal | Emerging Cross-Sectional Technologies | 12 | Expired |
| US3980442A | Process for using a combination tool | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4148107A | Mooring buoy | Performing Operations; Transporting | 10 | Expired |
| US4441522A | Piggable multichamber fluid swivel | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4309955A | Riser-to-vessel-mooring-terminal | Performing Operations; Transporting | 9 | Expired |
| US4079609A | Control system for multiple stage reducing apparatus | Performing Operations; Transporting | 9 | Expired |
| US10635248B2 | Force sensor mount and related housings and systems that incorporate the same | Electricity | 9 | Active |
| US4320545A | Easily removable fluid swivel for SALM buoy installation | Performing Operations; Transporting | 9 | Expired |
| US4396046A | Buoy-to-yoke coupling system | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.