Norgren Limited
9 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.
12
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.
- 1 fee due Dec 23, 2026The maintenance fee for Fluid operated actuator (US 9,062,693) comes due Dec 23, 2026. Unpaid by Jun 23, 2027, it lapses early.
- 1 fee due Jan 7, 2027The maintenance fee for Fluid operated actuator including a bleed port (US 9,074,612) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
- 2 fees due Feb 4 to 13, 2027 · next Feb 4
- 2 fees due Mar 10 to 22, 2027 · next Mar 10
- 2 fees due Apr 1 to 20, 2027 · next Apr 1
- 2 fees due May 24 to 28, 2027 · next May 24
- 1 fee due Jun 30, 2027The maintenance fee for Active cancellation of a pulsating flow with a flow signal noise reference (US 10,520,954) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, it lapses early.
- 1 fee due Jul 28, 2027The maintenance fee for Cascaded adaptive filters for attenuating noise in a feedback path of a flow controller (US 10,545,513) comes due Jul 28, 2027. Unpaid by Jan 28, 2028, it lapses early.
Recent changes
- 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 7,967,599 | Ring shaped valve piston and its use in a blow moulding machine In force · From the USPTO record | In force | From the USPTO record | |
| US 7,623,351 | Valve with an integrated PC board and connecting bar In force · From the USPTO record | In force | From the USPTO record | |
| US 8,141,915 | Modular rotary connection system with a separate locking piece In force · From the USPTO record | In force | From the USPTO record | |
| US 8,511,155 | Devices including a mechanochromatic material for indicating pressure In force · From the USPTO record | In force | From the USPTO record | |
| US 8,245,729 | Exhaust venting for a fluid control device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,851,524 | Positive completion coupler insert and coupler In force · From the USPTO record | In force | From the USPTO record | |
| US 8,540,211 | Automated valve testing apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 8,505,436 | Pneumatic Actuator with a Position Control and Position Adjustment In force · High confidence | In force | High confidence | |
| US 8,511,217 | Clamping lever and end cap for rodless cylinders In force · From the USPTO record | In force | From the USPTO record | |
| US 8,863,645 | Piston support portion for a piston assembly of a rodless cylinder In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 33: 9 patents in force now held by others · 49 lapsed for an unpaid fee · 17 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.
32 no status recorded