Harsco Technologies LLC
21 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.
Recorded under 4 name spellings.
2
Ending by 2030
Jun 2028
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 6, 2026The maintenance fee for Rail milling vehicle (US 11,668,055) comes due Dec 6, 2026. Unpaid by Jun 7, 2027, it lapses early.
- 2 fees due Jan 2 to 25, 2027 · next Jan 2
- 1 fee due Mar 3, 2027The maintenance fee for Coil-oscillator vibration unit for rail workhead (US 10,404,148) comes due Mar 3, 2027. Unpaid by Sep 3, 2027, it lapses early.
- 2 fees due Jul 9, 2027
- 1 fee due Aug 6, 2027The maintenance fee for Rail feature identification system (US 11,893,727) comes due Aug 6, 2027. Unpaid by Feb 7, 2028, it lapses early.
- 1 fee due Oct 16, 2027The maintenance fee for Encoder bearing hub assembly for rail vehicles (US 11,958,510) comes due Oct 16, 2027. Unpaid by Apr 17, 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 7,762,197 | Vented hydraulic vibrator assembly In force · From the USPTO record | In force | From the USPTO record | |
| US 8,025,013 | Moving platform on rail vehicle In force · From the USPTO record | In force | From the USPTO record | |
| US 8,245,646 | Articulated rail vehicle In force · From the USPTO record | In force | From the USPTO record | |
| US D800,805 | Tamping tool In force · From the USPTO record | In force | From the USPTO record | |
| US D800,806 | Tamping tool In force · From the USPTO record | In force | From the USPTO record | |
| US 9,598,822 | Lead rail vehicle with drone vehicle and method In force · From the USPTO record | In force | From the USPTO record | |
| US 9,790,644 | Vertical ride quality system for a rail vehicle In force · From the USPTO record | In force | From the USPTO record | |
| US 10,946,704 | Railroad trailer chassis In force · From the USPTO record | In force | From the USPTO record | |
| US 9,850,624 | Mobile automated tie replacement system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,937,761 | Railroad trailer chassis In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 50: 21 patents in force now held by others · 17 lapsed for an unpaid fee · 138 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.
1 pending · 2 abandoned · 7 no status recorded