Chart Inc.
82Patents
46Active
82Granted
50Portfolio score
Filing activity: Apr 7, 1999 → Jun 5, 2023 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6354088B1 | System and method for dispensing cryogenic liquids | Mechanical Engineering; Lighting; Heating | 77 | Expired |
| US6542848B1 | Differential pressure gauge for cryogenic fluids | Emerging Cross-Sectional Technologies | 55 | Expired |
| US6442980B1 | Carbon dioxide dry cleaning system | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US6910482B2 | Self-calibrating supplemental oxygen delivery system | Human Necessities | 34 | Expired |
| US6336344B1 | Dephlegmator process with liquid additive | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6698211B2 | Natural gas fuel storage and supply system for vehicles | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6631615B2 | Storage pressure and heat management system for bulk transfers of cryogenic liquids | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7069730B2 | Liquid and compressed natural gas dispensing system | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6505469B1 | Gas dispensing system for cryogenic liquid vessels | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6787713B2 | Load cell and weighing system for cryogenic tanks | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6622758B2 | Interlock for cryogenic liquid off-loading systems | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6333445A | Cryogenic separation process for the recovery of components from the products of a dehydrogenation reactor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6533334B1 | Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6134893A | Swivel bayonet joint for cryogenic fluids | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6851148B2 | Carbon dioxide dry cleaning system | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6581390B2 | Cryogenic fluid delivery system | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6640554B2 | Containment module for transportable liquid natural gas dispensing station | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6758060B2 | Separating nitrogen from methane in the production of LNG | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6393847B1 | Liquid cryogen freezer | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6799429B2 | High flow pressurized cryogenic fluid dispensing system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6505470B1 | System for detecting overflow of a tank | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6695358B2 | Controlled leak cryogenic bayonet pipe spool and system | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6595048B1 | Accurate cryogenic liquid dispenser | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6692034B2 | Breakaway device for fueling stations | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD851139S1 | Freezer shroud | General | 7 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.