1304342 Alberta Ltd.
14 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.
0
Ending by 2030
Jul 2033
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.
- 1 fee due Jul 9, 2027The maintenance fee for Production of Petrochemical Feedstocks and Products Using a Fuel Cell (US 11,866,395) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
- 1 fee due Aug 25, 2027The maintenance fee for Temperature controlled method to liquefy gas and a production plant using the method (US 10,571,187) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
- 1 fee due Oct 2, 2027The maintenance fee for Method to recover and process methane and condensates from flare gas systems (US 11,946,355) comes due Oct 2, 2027. Unpaid by Apr 3, 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 10,571,187 | Temperature controlled method to liquefy gas and a production plant using the method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,852,058 | Method to produce LNG at gas pressure letdown stations in natural gas transmission pipeline systems In force · From the USPTO record | In force | From the USPTO record | |
| US 9,771,525 | Method and apparatus for upgrading heavy oil In force · From the USPTO record | In force | From the USPTO record | |
| US 11,486,636 | Method to recover LPG and condensates from refineries fuel gas streams In force · From the USPTO record | In force | From the USPTO record | |
| US 10,288,347 | Method of Removing Carbon Dioxide During Liquid Natural Gas Production from Natural Gas at Gas Pressure Letdown Stations In force · High confidence | In force | High confidence | |
| US 10,787,891 | Method of producing heavy oil using a fuel cell In force · From the USPTO record | In force | From the USPTO record | |
| US 11,149,531 | Producing pressurized and heated fluids using a fuel cell In force · From the USPTO record | In force | From the USPTO record | |
| US 10,968,725 | Method of extracting coal bed methane using carbon dioxide In force · From the USPTO record | In force | From the USPTO record | |
| US 11,173,445 | Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG) In force · From the USPTO record | In force | From the USPTO record | |
| US 11,097,220 | Method of preparing natural gas to produce liquid natural gas (LNG) In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 14 patents in force now held by others. 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.
1 no status recorded