Carl G. Langner
39Patents
14h-index
15Co-inventors
78Inventor score
Filing activity: Jul 28, 1977 → Jan 13, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5269629A | Elastomeric swivel support assembly for catenary riser | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US4617998A | Drilling riser braking apparatus and method | Fixed Constructions | 44 | Expired |
| US4616707A | Riser braking clamp apparatus | Fixed Constructions | 35 | Expired |
| US4979296A | Method for fabricating helical flowline bundles | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5320175A | Subsea wellhead connections | Fixed Constructions | 30 | Expired |
| US6264401A | Method for enhancing the flow of heavy crudes through subsea pipelines | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5190107A | Heave compensated support system for positioning subsea work packages | Fixed Constructions | 29 | Expired |
| US4261671A | Corrugated pipe for deepwater applications | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5092711A | Diverless installation of riser clamps onto fixed or compliant offshore platforms | Fixed Constructions | 22 | Expired |
| US4615646A | Flowline connection means | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4620818A | Flowline connection means | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4541753A | Subsea pipeline connection | Fixed Constructions | 17 | Expired |
| US4671702A | Flowline connection means | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4472079A | Articulated pipe discharge ramp | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4700788A | Directional drilling pipelay | Fixed Constructions | 14 | Expired |
| US4687377A | Method and apparatus for subsea flexible conduit installation | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4540037A | Method and apparatus for bidirectional horizontal continuous casing | Performing Operations; Transporting | 10 | Expired |
| US4421437A | Corrugated buckle arrestor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4553879A | Pipelaying in artic offshore waters | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4588326A | Subsea pipeline connection | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4843713A | Apparatus for making helical flowline bundles | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4558972A | Subsea pipeline connection | Fixed Constructions | 7 | Expired |
| US5269565A | Pipeline breakaway protection mechanism | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5513691A | Mold for continuous casting and method of making the mold | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4291748A | Dummy bar for a continuous casting machine | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.