The Patent Finder

Geoservices Equipements

19 patents currently held · Updated Nov 15, 2026
11 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 3 name spellings.

5
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.
  • 2 fees due Dec 23 to 30, 2026 · next Dec 23
  • 1 fee due Feb 6, 2027
    The maintenance fee for System and Method for Logging Isotope Fractionation Effects During Mud Gas Logging (US 10,371,691) comes due Feb 6, 2027. Unpaid by Aug 6, 2027, it lapses early.
  • 1 fee due Jul 12, 2027
    The maintenance fee for Method and apparatus for determining relative content of two rock specie in a wellbore rock sample (US 9,234,827) comes due Jul 12, 2027. Unpaid by Jan 12, 2028, it lapses early.
  • 1 fee due Aug 25, 2027
    The maintenance fee for Method and system for monitoring the drilling of a wellbore (US 10,571,451) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended since Aug 17, 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.
PatentTitleStatus Expires Confidence
US 8,220,534Safety device for an oil well and associated safety installation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,810,794Device for quantifying the relative contents of two isotopes of at least one specific gaseous constituent contained in a gaseous sample from a fluid, related assembly and process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,448,495Device for quantifying the contents of at least one gaseous constituent contained in a gaseous sample from a fluid, related assembly and process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,677,814Device for extracting at least one type of gas contained in a drilling mud, an analysis arrangement and a related extraction method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,616,051Method of analyzing a number of hydrocarbons contained in a drilling fluid, and associated device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,887,817Intermediate disconnection tool to be placed in a shuttle lowered into a well for exploiting a fluid, and related shuttle and method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,068,412Connecting head for connecting a cable and a downhole tool and associated intervention device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,022,108Device for intervention in a well comprising a pyrotechnic system, installation and method associated therewith
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,062,995Method for calibrating a device for measuring phase fractions of polyphase fluid under flow conditions, measuring method, and related device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,441,431Intervention device for use in a fluid exploitation well in the subsoil, and associated intervention assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 19 patents shown.
Pro members see all 19.
Pro members: see all 19 patents
Also on record, not counted in the 19: 11 patents in force now held by others · 15 lapsed for an unpaid fee · 14 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.

8 no status recorded

List them

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