Henan Polytechnic University
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jul 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 Jan 30, 2027The maintenance fee for Method for generating hydroxyl radical and removing organic pollutants in water by utilizing an organic membrane (US 10,364,165) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
- 1 fee due Mar 5, 2027The maintenance fee for Vertical Hopkinson pressure bar test device and test method (US 11,747,249) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,364,165 | Method for generating hydroxyl radical and removing organic pollutants in water by utilizing an organic membrane In force · From the USPTO record | In force | From the USPTO record | |
| US 10,907,320 | Test Apparatus for Pile-Soil Interface Shear Mechanical Properties In force · High confidence | In force | High confidence | |
| US 11,747,249 | Vertical Hopkinson pressure bar test device and test method In force · From the USPTO record | In force | From the USPTO record | |
| US 12,085,480 | Shallow-buried leakage-proof pipeline and method for operating same In force · From the USPTO record | In force | From the USPTO record | |
| US 11,573,216 | Quick Quantitative Analysis Method and Analyzer for Mixture Based on Spectral Information In force · High confidence | In force | High confidence | |
| US 12,235,178 | Squatting bionic device of human lower-limb joint In force · From the USPTO record | In force | From the USPTO record | |
| US 12,049,824 | Distributed coal cutting device for longwall face of coal mine In force · From the USPTO record | In force | From the USPTO record | |
| US 12,205,298 | Method for processing remote sensing images by fusing elevation information In force · From the USPTO record | In force | From the USPTO record | |
| US 12,031,436 | Real-time monitoring system and method for coal mine roof fractures during roadway tunneling process In force · From the USPTO record | In force | From the USPTO record | |
| US 12,234,732 | Monitoring and Warning Device for Rock Burst in Coal Mine In force · High confidence | In force | High confidence |
Also on record, not counted in the 12: 1 patent in force now held by others · 6 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.
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.
4 pending · 4 no status recorded