HEISHIN Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jun 2030
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 16 to 28, 2026 · next Nov 16
- 1 fee due Jan 30, 2027The maintenance fee for Liquid transport device with decreasing pitches (US 10,364,813) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
- 1 fee due Mar 10, 2027The maintenance fee for Accumulator and fluid material discharge system (US 10,408,235) comes due Mar 10, 2027. Unpaid by Sep 10, 2027, it lapses early.
- 1 fee due Jul 9, 2027The maintenance fee for Uniaxial eccentric screw pump (US 11,867,172) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, 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 8,556,608 | Rotor drive mechanism and pump apparatus including the same In force · From the USPTO record | In force | From the USPTO record | |
| US 8,967,948 | Uniaxial Eccentric Screw Pump In force · High confidence | In force | High confidence | |
| US 9,463,487 | Discharge system In force · From the USPTO record | In force | From the USPTO record | |
| US 10,300,503 | Fluid application system and fluid application method In force · From the USPTO record | In force | From the USPTO record | |
| US 9,950,337 | Discharge System In force · From the USPTO record | In force | From the USPTO record | |
| US 10,160,003 | Discharge system In force · From the USPTO record | In force | From the USPTO record | |
| US 11,110,482 | Discharge system In force · From the USPTO record | In force | From the USPTO record | |
| US 10,240,599 | Uniaxial Eccentric Screw Pump In force · High confidence | In force | High confidence | |
| US 10,227,978 | Liquid Transport Device with Decreasing Eccentricity of the Rotor In force · Medium confidence | In force | Medium confidence | |
| US 10,233,921 | Axis Eccentric Screw Pump with Decreasing Sectional Area of Stator with a Constant Diameter Rotor In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 21: 4 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.
2 pending · 1 abandoned · 8 no status recorded