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Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
12
Ending by 2030
Nov 2026
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 2 to 30, 2026 · next Dec 2
- 1 fee due Jan 11, 2027The maintenance fee for Holder for a magnet, regulation valve position detector, and regulating valve (US 11,698,274) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
- 1 fee due Mar 3, 2027The maintenance fee for Control valve (US 10,400,898) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
- 2 fees due Apr 3 to 13, 2027 · next Apr 3
- 2 fees due May 5 to 26, 2027 · next May 5
- 3 fees due Jun 10 to 15, 2027 · next Jun 10
- 1 fee due Jul 9, 2027The maintenance fee for Method for verifying the operability of a safety valve (US 11,867,315) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
- 2 fees due Sep 10 to 15, 2027 · next Sep 10
Recent changes
- 2 of the patents on this record were granted since Aug 16, 2026
- 1 term has ended 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 7,451,644 | Method for verifying the performance of a test of the functionality of a safety valve In force · From the USPTO record | In force | From the USPTO record | |
| US 7,584,643 | Method for testing the functionality of an actuator, especially of an actuator of a safety valve In force · From the USPTO record | In force | From the USPTO record | |
| US 7,802,585 | Transducer of an electrical input signal into pneumatic output signals In force · From the USPTO record | In force | From the USPTO record | |
| US 7,618,045 | Sealing arrangement In force · From the USPTO record | In force | From the USPTO record | |
| US 7,421,938 | Positioner for a fluid actuator In force · From the USPTO record | In force | From the USPTO record | |
| US 7,406,910 | Device and method for controlling the position of a pneumatic actuator In force · From the USPTO record | In force | From the USPTO record | |
| US 7,540,302 | Field unit for mounting on an actuator In force · From the USPTO record | In force | From the USPTO record | |
| US 7,621,170 | Method and system for function testing a valve In force (reinstated) · From the USPTO record | In force (reinstated) | From the USPTO record | |
| US 7,862,003 | Position controller In force · From the USPTO record | In force | From the USPTO record | |
| US 7,805,208 | System for positioning a control element In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 101: 16 lapsed for an unpaid fee · 26 ended at full term. 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.
6 pending · 2 abandoned · 13 no status recorded