Weldfit LLC
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2036
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 Aug 6, 2027The maintenance fee for System and Method for Process Gas Recapture for Emission Recovery (US 11,890,574) comes due Aug 6, 2027. Unpaid by Feb 7, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
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 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,976,686 | Automated Pig Launching System In force · High confidence | In force | High confidence | |
| US 11,028,958 | Automated Pig Launching System In force · High confidence | In force | High confidence | |
| US 11,890,574 | System and Method for Process Gas Recapture for Emission Recovery In force · Medium confidence | In force | Medium confidence | |
| US 12,259,079 | Sealing Plug Assemblies, Sealing Elements, and Bleed Lances for Line Stopping a Pipe and Systems and Methods Thereof In force · Medium confidence | In force | Medium confidence | |
| US 12,188,602 | Sealing Plug Assemblies, Line Stop Assemblies, and Yokes with Fluid Pathways for Line Stopping a Pipe and Methods for the Use Thereof In force · High confidence | In force | High confidence | |
| US 12,723,698 | Devices for Performing Maintenance in a Pipeline and Methods for Driving the Devices Toward a Launch Port In force · High confidence | In force | High confidence | |
| US 12,654,251 | Methods of Using Induction Heating and Moisture Barriers to Perform In-Service Pipeline Maintenance In force · High confidence | In force | High confidence |
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.
2 pending · 3 abandoned