Evapco Systems LMP, ULC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Mar 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 Feb 18, 2027The maintenance fee for Mechanical subcooling of transcritical R-744 refrigeration systems with heat pump heat reclaim and floating head pressure (US 9,109,816) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
- 1 fee due Sep 3, 2027The maintenance fee for Mechanical subcooling of transcritical R744 refrigeration systems using separate R-744 or other refrigerants units for mechanical subcooling and as a heat pump for heat reclaim purposes (US 10,578,343) comes due Sep 3, 2027. Unpaid by Mar 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.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,789,380 | Defrost system and method for a subcritical cascade R-744 refrigeration system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,109,816 | Mechanical subcooling of transcritical R-744 refrigeration systems with heat pump heat reclaim and floating head pressure In force · From the USPTO record | In force | From the USPTO record | |
| US 9,822,993 | Transcritical R744 refrigeration system for skating rinks with total condensation and without flash-gas bypass In force · From the USPTO record | In force | From the USPTO record | |
| US 10,578,343 | Mechanical subcooling of transcritical R744 refrigeration systems using separate R-744 or other refrigerants units for mechanical subcooling and as a heat pump for heat reclaim purposes In force · From the USPTO record | In force | From the USPTO record | |
| US 11,226,144 | R-744 system with hot gas defrost by the transcritical compressors In force · From the USPTO record | In force | From the USPTO record | |
| US 11,137,171 | Transcritical R-744 refrigeration system for supermarkets with improved efficiency and reliability In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 6: 1 lapsed for an unpaid fee · 1 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.