RDP Technologies, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
2
Ending by 2030
Apr 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 Apr 27, 2027The maintenance fee for Precision lime stabilization system and method for treatment of sewage sludge (US 9,169,147) comes due Apr 27, 2027. Unpaid by Oct 27, 2027, it lapses early.
- 2 fees due May 3 to 19, 2027 · next May 3
- 1 fee due Jul 21, 2027The maintenance fee for Aerobic thermal chemical hydrolysis process (US 10,538,446) comes due Jul 21, 2027. Unpaid by Jan 21, 2028, it lapses early.
- 1 fee due Aug 13, 2027The maintenance fee for Fluidized bed pellet reactor water softener and process for softening water (US 11,897,800) comes due Aug 13, 2027. Unpaid by Feb 14, 2028, it lapses early.
- 1 fee due Oct 19, 2027The maintenance fee for Method and apparatus for dissolving sodium carbonate in water (US 9,315,399) comes due Oct 19, 2027. Unpaid by Apr 19, 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 7,669,348 | Apparatus, method and system for treating sewage sludge In force · From the USPTO record | In force | From the USPTO record | |
| US 8,065,815 | Apparatus, method and system for treating sewage sludge In force · From the USPTO record | In force | From the USPTO record | |
| US 8,682,477 | Apparatus and Method for Inventory Management and Automated Discharge of Treated Sewage Sludge to Trucks In force · High confidence | In force | High confidence | |
| US 9,650,293 | Process and apparatus for slaking lime and dissolving scale In force · From the USPTO record | In force | From the USPTO record | |
| US 9,856,166 | Process and apparatus for slaking lime and dissolving scale In force · From the USPTO record | In force | From the USPTO record | |
| US 10,112,852 | RDPreheating water jackets In force · From the USPTO record | In force | From the USPTO record | |
| US 9,023,312 | Process and apparatus for slaking lime and dissolving scale In force · From the USPTO record | In force | From the USPTO record | |
| US 11,339,066 | Process and apparatus for treating water with hydrated lime slurry and for dissolving scale In force · From the USPTO record | In force | From the USPTO record | |
| US 8,504,190 | Apparatus and Method for Inventory Management and Automated Discharge of Treated Sewage Sludge to Trucks In force · High confidence | In force | High confidence | |
| US 8,662,354 | Sludge handling system with rotating discharge device for discharging sludge from a bin In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 26: 2 lapsed for an unpaid fee · 2 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.
4 no status recorded