Andritz Inc.
4 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.
28
Ending by 2030
Apr 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 20 to 25, 2026 · next Dec 20
- 5 fees due Jan 2 to 21, 2027 · next Jan 2
- 5 fees due Feb 1 to 28, 2027 · next Feb 1
- 4 fees due Mar 8 to 29, 2027 · next Mar 8
- 2 fees due Apr 13 to 17, 2027 · next Apr 13
- 4 fees due May 10 to 26, 2027 · next May 10
- 6 fees due Jun 1 to 26, 2027 · next Jun 1
- 1 fee due Jul 2, 2027The maintenance fee for Supported toothed plates in a disperser with buttress extending from the substrate and between a first face of a tooth (US 11,859,344) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 2 fees due Aug 11 to 20, 2027 · next Aug 11
- 2 fees due Sep 15 to 17, 2027 · next Sep 15
- 1 fee due Oct 2, 2027The maintenance fee for Device and method for transferring a strip of a web (US 11,946,203) comes due Oct 2, 2027. Unpaid by Apr 3, 2028, it lapses early.
- 1 fee due Nov 14, 2027The maintenance fee for Refiner plate having inter-bar wear protrusions (US 11,982,053) comes due Nov 14, 2027. Unpaid by May 15, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
- 3 terms have 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 8,181,888 | Method to assemble wash liquid spray nozzles for a pulp mat In force · From the USPTO record | In force | From the USPTO record | |
| US 7,981,248 | Gas free valve for pulp vacuum washer and method In force · From the USPTO record | In force | From the USPTO record | |
| US 7,766,269 | Refiner stator plate having an outer row of teeth slanted to deflect pulp and method for pulp deflection during refining In force · From the USPTO record | In force | From the USPTO record | |
| US 7,823,822 | System and method to align refiner plates during installation on a disc In force · From the USPTO record | In force | From the USPTO record | |
| US 8,157,195 | Mechanical pulping refiner plate having curved refining bars with jagged leading sidewalls and method for designing plates In force · From the USPTO record | In force | From the USPTO record | |
| US 7,780,815 | Gas free valve for pulp vacuum washer and method In force · From the USPTO record | In force | From the USPTO record | |
| US 7,954,745 | Refiner plate segment with triangular inlet feature In force · From the USPTO record | In force | From the USPTO record | |
| US 7,799,173 | Screen plates having diagonal slots with curved inlets for a digester In force · From the USPTO record | In force | From the USPTO record | |
| US 7,900,862 | Mechanical pulping refiner plate having curved refining bars with jagged leading sidewalls and method for designing plates In force · From the USPTO record | In force | From the USPTO record | |
| US 7,896,276 | Refiner plates with high-strength high-performance bars In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 153: 4 patents in force now held by others · 117 lapsed for an unpaid fee · 89 ended at full term · 1 surrendered on reissue. 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.
2 pending · 4 abandoned · 62 no status recorded