Harbin Engineering University
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 3 name spellings.
0
Ending by 2030
Dec 2037
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.
- 2 fees due Nov 23, 2026
- 1 fee due Dec 27, 2026The maintenance fee for Integrity monitoring method of ionosphere gradient based on kinematical to kinematical platform (US 11,686,851) comes due Dec 27, 2026. Unpaid by Jun 28, 2027, it lapses early.
- 1 fee due Feb 1, 2027The maintenance fee for High-pressure common rail fuel injector capable of achieving highly stable injection based on throttling damping accommodating effect (US 11,713,740) comes due Feb 1, 2027. Unpaid by Aug 2, 2027, it lapses early.
- 1 fee due Mar 26, 2027The maintenance fee for Ultrahigh-strength maraging stainless steel with multiphase strengthening and preparation method thereof (US 11,767,574) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
- 1 fee due Apr 24, 2027The maintenance fee for Polypyrrole encapsulated graphene corrosion inhibitor container and its preparation method and composite coating and its application (US 11,795,330) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
- 5 fees due May 7 to 28, 2027 · next May 7
- 2 fees due Jul 2 to 23, 2027 · next Jul 2
- 2 fees due Aug 13 to 20, 2027 · next Aug 13
- 4 fees due Sep 12 to 26, 2027 · next Sep 12
- 4 fees due Oct 2 to 23, 2027 · next Oct 2
Recent changes
- 3 of the patents on this record were 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 11,110,513 | Combined ultrasonic micro-forging device for improving microstructure and mechanical properties of additive manufactured metal parts, and a related additive manufacturing method In force · From the USPTO record | In force | From the USPTO record | |
| US 11,034,424 | Gas-electric parallel-serial hybrid marine power train system with LNG cooling In force · From the USPTO record | In force | From the USPTO record | |
| US 11,215,138 | Low-noise main bearing cap for internal combustion engine In force · From the USPTO record | In force | From the USPTO record | |
| US 11,319,844 | Fully variable valve train with rotary plunger for internal combustion engine In force · From the USPTO record | In force | From the USPTO record | |
| US 11,493,438 | Methane value online real-time monitoring system In force · From the USPTO record | In force | From the USPTO record | |
| US 11,686,851 | Integrity monitoring method of ionosphere gradient based on kinematical to kinematical platform In force · From the USPTO record | In force | From the USPTO record | |
| US 11,657,708 | Large-scale real-time traffic flow prediction method based on fuzzy logic and deep LSTM In force · From the USPTO record | In force | From the USPTO record | |
| US 11,821,729 | Elman neural network assisting tight-integrated navigation method without GNSS signals In force · From the USPTO record | In force | From the USPTO record | |
| US 11,624,419 | Magnetic Suspension Type Quasi-Zero Stiffness Electromagnetic Vibration Isolator with Active Negative Stiffness In force · High confidence | In force | High confidence | |
| US 11,607,971 | Method for scheduling multi agent and unmanned electric vehicle battery swap based on internet of vehicles In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 62: 5 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 · 1 abandoned · 13 no status recorded