Gaudfrin
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
Sep 2028
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
Fee deadlines
No maintenance fee falls due on this company's record before Nov 14, 2027.
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.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,628,661 | Disc filtration device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,585,898 | Scrapping device for a pressurised filtration plant In force · From the USPTO record | In force | From the USPTO record | |
| US 9,487,360 | Device for extracting cakes resulting from pressurized disc filtration, and associated extraction method In force · From the USPTO record | In force | From the USPTO record | |
| US 9,878,271 | Device for reducing friction between sealing plates of filtration units, and use thereof in a filtration method In force · From the USPTO record | In force | From the USPTO record | |
| US 11,065,567 | Sector having progressive thickness In force · From the USPTO record | In force | From the USPTO record | |
| US 11,173,430 | Filter with closely-spaced vertical plates In force · From the USPTO record | In force | From the USPTO record | |
| US 12,589,340 | Rotary filter and associated filtering method In force · High confidence | In force | High confidence |
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
Every application published under this name has become a patent.