The Patent Finder

Evolution Engineering Inc.

122 patents currently held · Updated Nov 14, 2026
2 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 as renamed to Evolution Engineering ULC (2024)

0
Ending by 2030
Nov 2032
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.
  • 5 fees due Nov 14 to 28, 2026 · next Nov 14
  • 3 fees due Dec 11 to 27, 2026 · next Dec 11
  • 3 fees due Jan 16 to 23, 2027 · next Jan 16
  • 1 fee due Feb 27, 2027
    The maintenance fee for At-surface communication with downhole tools (US 10,392,928) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
  • 3 fees due Mar 3 to 24, 2027 · next Mar 3
  • 1 fee due Apr 15, 2027
    The maintenance fee for Electromagnetic communications system and method for a drilling operation (US 10,443,374) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
  • 1 fee due May 12, 2027
    The maintenance fee for Seal and seal assembly for a fluid pressure pulse generating tool (US 10,473,804) comes due May 12, 2027. Unpaid by Nov 12, 2027, it lapses early.
  • 2 fees due Jun 3 to 17, 2027 · next Jun 3
  • 2 fees due Aug 18 to 25, 2027 · next Aug 18
  • 2 fees due Sep 22 to 24, 2027 · next Sep 22
  • 3 fees due Nov 5 to 12, 2027 · next Nov 5

Which patents, and when each one lapses · Pro

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.
PatentTitleStatus Expires Confidence
US 9,587,441Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,358,906Downhole probe centralizer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,644,471Mounting and component holder apparatuses and assemblies for holding rigid components
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,598,000Methods and apparatus for downhole probes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,494,879Universal downhole probe system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,951,603Methods and apparatus for downhole probes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,850,722Universal downhole probe system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,563,503Transmitting data across electrically insulating gaps in a drill string
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,422,809Fluid pressure pulse generator and method of using same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,494,035Fluid pressure pulse generator and method of using same
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 122 patents shown.
Pro members see all 122.
Pro members: see all 122 patents
Also on record, not counted in the 122: 2 patents in force now held by others · 9 lapsed for an unpaid fee. 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.

7 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited