Zencor Tools, LLP
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Feb 2032
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 14, 2027.
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 8,459,351 | Method and apparatus for producing shock waves in the borehole of wells filled by liquid In force · From the USPTO record | In force | From the USPTO record | |
| US 8,684,076 | Method and apparatus for enhancement of fracture fluid clean-up with periodic shock waves In force · From the USPTO record | In force | From the USPTO record | |
| US 9,376,903 | Method and apparatus for resonant over-pressured well fracturing In force · From the USPTO record | In force | From the USPTO record | |
| US 9,803,453 | Apparatus for enhanced resonant over-pressured well fracturing In force · From the USPTO record | In force | From the USPTO record | |
| US 10,156,108 | Method and apparatus for seismic stimulation of production horizons of hydrocarbon bearing formations In force · From the USPTO record | In force | From the USPTO record | |
| US 12,281,545 | Method and apparatus for seismic stimulation of oil-bearing production formations 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. 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.