Chart Inc.
13 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jun 2030
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 2 fees due Nov 14 to 16, 2026 · next Nov 14
- 1 fee due Dec 6, 2026The maintenance fee for Device and Method for Filling Cryogenic Tanks (US 11,668,437) comes due Dec 6, 2026. Unpaid by Jun 7, 2027, it lapses early.
- 1 fee due Mar 19, 2027The maintenance fee for Pump Seal (US 11,761,536) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
- 2 fees due Apr 17 to 22, 2027 · next Apr 17
- 1 fee due Aug 20, 2027The maintenance fee for Delivery Tank with Pressure Reduction, Saturation and Desaturation Features (US 11,906,111) comes due Aug 20, 2027. Unpaid by Feb 22, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,075,645 | Catalysts, System and Method for Hydrogen Production In force · High confidence | In force | High confidence | |
| US 9,939,109 | Bulk Liquid Cooling and Pressurized Dispensing System and Method In force · High confidence | In force | High confidence | |
| US 8,915,249 | Systems and methods for conserving oxygen in a breathing assistance device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,581,295 | Economizer Biasing Valve for Cryogenic Fluids In force · High confidence | In force | High confidence | |
| US 9,441,877 | Integrated Pre-Cooled Mixed Refrigerant System and Method In force · High confidence | In force | High confidence | |
| US 9,746,132 | Self-Saturating Liquefied Natural Gas Delivery System Utilizing Hydraulic Pressure In force · High confidence | In force | High confidence | |
| US 9,551,330 | Frangible Closure Coupling for Liquid Natural Gas Tank In force · High confidence | In force | High confidence | |
| US 9,388,943 | Ullage Tank for Vertical Storage Tank In force · High confidence | In force | High confidence | |
| US 9,752,727 | Heat Management System and Method for Cryogenic Liquid Dispensing Systems In force · High confidence | In force | High confidence | |
| US 9,829,156 | Integrated Cryogenic Fluid Delivery Device with Vaporizer Having a Conformal Geometry In force · High confidence | In force | High confidence |
Also on record, not counted in the 41: 13 patents in force now held by others · 13 lapsed for an unpaid fee · 65 ended at full term. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
6 pending · 5 abandoned · 1 no status recorded