Sercel
13 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.
7
Ending by 2030
Jul 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.
- 2 fees due Dec 20 to 25, 2026 · next Dec 20
- 2 fees due Jan 4 to 11, 2027 · next Jan 4
- 2 fees due Feb 6 to 28, 2027 · next Feb 6
- 1 fee due Mar 19, 2027The maintenance fee for Velocity estimation of spatial aliased coherent noises propagating along a plurality of sensors (US 11,762,113) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
- 2 fees due Apr 3 to 20, 2027 · next Apr 3
- 2 fees due May 3 to 12, 2027 · next May 3
- 1 fee due Jun 26, 2027The maintenance fee for Method and device for reducing bucking of pneumatic seismic sources (US 11,852,763) comes due Jun 26, 2027. Unpaid by Dec 27, 2027, it lapses early.
- 2 fees due Jul 2 to 9, 2027 · next Jul 2
- 3 fees due Aug 2 to 18, 2027 · next Aug 2
- 6 fees due Sep 1 to 30, 2027 · next Sep 1
- 7 fees due Oct 5 to 30, 2027 · next Oct 5
Recent changes
- 1 of the patents on this record was granted 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 7,610,871 | Dynamic stabilisation device for a submarine vehicle In force · From the USPTO record | In force | From the USPTO record | |
| US 7,548,600 | Apparatus and method for compensating the drift of a local clock used as sampling frequency In force · From the USPTO record | In force | From the USPTO record | |
| US 9,025,412 | System for Acquiring Seismic Data in a Marine Environment, Using Seismic Streamers Coupled to Means for Detecting And/Or Locating Marine Mammals In force · Medium confidence | In force | Medium confidence | |
| US 7,859,945 | Efficient seismic data acquisition with source separation In force · From the USPTO record | In force | From the USPTO record | |
| US 10,247,839 | Seismic Data Acquisition System Comprising Modules Associated with Units Connected to Sensors, the Modules Being Autonomous with Respect to Power Supply, Synchronisation and Storage In force · Low confidence | In force | Low confidence | |
| US 8,937,847 | System for Acquiring Seismic Data in a Marine Environment, Using Seismic Streamers Coupled to Means for Detecting And/Or Locating Marine Mammals In force · High confidence | In force | High confidence | |
| US 8,339,899 | Seismic data acquisition system comprising modules associated with units connected to sensors, the modules being autonomous with respect to power supply, synchronisation and storage In force · From the USPTO record | In force | From the USPTO record | |
| US 8,149,931 | Multi-carrier transmission process and system in a difficult environment with optimisation of emission power In force · From the USPTO record | In force | From the USPTO record | |
| US 8,260,580 | Data acquisition apparatus and method In force · From the USPTO record | In force | From the USPTO record | |
| US 10,330,806 | Dual axis geophones for pressure/velocity sensing streamers forming a triple component streamer In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 97: 13 patents in force now held by others · 63 lapsed for an unpaid fee · 34 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.
3 pending · 2 abandoned · 23 no status recorded