ChampionX LLC
5 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.
52
Ending by 2030
Feb 2027
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.
- 3 fees due Dec 4 to 25, 2026 · next Dec 4
- 6 fees due Jan 7 to 25, 2027 · next Jan 7
- 7 fees due Feb 4 to 27, 2027 · next Feb 4
- 4 fees due Mar 3 to 10, 2027 · next Mar 3
- 10 fees due Apr 6 to 27, 2027 · next Apr 6
- 6 fees due May 5 to 26, 2027 · next May 5
- 3 fees due Jun 5 to 10, 2027 · next Jun 5
- 3 fees due Jul 5 to 19, 2027 · next Jul 5
- 6 fees due Aug 4 to 27, 2027 · next Aug 4
- 6 fees due Sep 1 to 30, 2027 · next Sep 1
- 4 fees due Oct 5 to 21, 2027 · next Oct 5
- 3 fees due Nov 12, 2027
Recent changes
- 6 of the patents on this record were granted since Aug 17, 2026
- 1 term has ended since Aug 17, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,458,787 | Apparatus and Method for Reducing Gas Lock in Downhole Pumps In force · High confidence | In force | High confidence | |
| US 7,607,901 | Wear Rings for Downhole Pump In force · High confidence | In force | High confidence | |
| US 7,628,060 | Deposit Removal Probe and Method of Use In force · High confidence | In force | High confidence | |
| US 8,585,930 | Mono and Bis-Ester Derivatives of Pyridinium and Quinolinium Compounds as Environmentally Friendly Corrosion Inhibitors In force · Medium confidence | In force | Medium confidence | |
| US 7,690,425 | Data Logger Plunger and Method for Its Use In force · High confidence | In force | High confidence | |
| US 8,597,515 | Purification of Oil Sands Pond Water In force · Medium confidence | In force | Medium confidence | |
| US 7,669,648 | Polymer Shock Absorber for Use with Well Head Lubricator Assembly In force · High confidence | In force | High confidence | |
| US 7,766,085 | Apparatus, Assembly and Process for Injecting Fluid into a Subterranean Well In force · High confidence | In force | High confidence | |
| US 7,686,598 | Downhole Pumps with Sand Snare In force · High confidence | In force | High confidence | |
| US 7,950,464 | Multi-Well Controller In force · High confidence | In force | High confidence |
Also on record, not counted in the 312: 5 patents in force now held by others · 30 lapsed for an unpaid fee · 32 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.
64 pending