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)

Ending by 2030

Nov 2032

Next term end

When these terms end

5 yrs10 yrs20 yrs

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.

Patent	Title	Status	Expires	Confidence
US 9,587,441	Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement In force Term ends Nov 1, 2032 · From the USPTO record	In force	Term ends Nov 1, 2032	From the USPTO record
US 10,358,906	Downhole probe centralizer In force Ends no later than Dec 3, 2032 · From the USPTO record	In force	Ends no later than Dec 3, 2032	From the USPTO record
US 9,644,471	Mounting and component holder apparatuses and assemblies for holding rigid components In force Term ends Dec 6, 2032 · From the USPTO record	In force	Term ends Dec 6, 2032	From the USPTO record
US 10,598,000	Methods and apparatus for downhole probes In force Ends no later than Dec 7, 2032 · From the USPTO record	In force	Ends no later than Dec 7, 2032	From the USPTO record
US 10,494,879	Universal downhole probe system In force Term ends Jan 24, 2033 · From the USPTO record	In force	Term ends Jan 24, 2033	From the USPTO record
US 9,951,603	Methods and apparatus for downhole probes In force Term ends May 28, 2033 · From the USPTO record	In force	Term ends May 28, 2033	From the USPTO record
US 9,850,722	Universal downhole probe system In force Term ends Aug 20, 2033 · From the USPTO record	In force	Term ends Aug 20, 2033	From the USPTO record
US 10,563,503	Transmitting data across electrically insulating gaps in a drill string In force Term ends Sep 5, 2033 · From the USPTO record	In force	Term ends Sep 5, 2033	From the USPTO record
US 9,422,809	Fluid pressure pulse generator and method of using same In force Term ends Nov 6, 2033 · From the USPTO record	In force	Term ends Nov 6, 2033	From the USPTO record
US 9,494,035	Fluid pressure pulse generator and method of using same In force Term ends Nov 6, 2033 · From the USPTO record	In force	Term ends Nov 6, 2033	From 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.

Export every term end as CSV · Pro

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

Showing 1 to 7 of 7, newest filing first. An application has no patent term. A term is computed when and if it grants, and appears on that patent's own page. No title is shown: the bulk publication record carries none for these applications, and this site holds no USPTO file history for them.

Application	Filed	Status
16/487,032	Feb 26, 2018	No status recorded
15/634,942	Jun 27, 2017	No status recorded
15/236,288	Aug 12, 2016	No status recorded
15/043,146	Feb 12, 2016	No status recorded
15/549,794	Feb 11, 2016	No status recorded
14/835,479	Aug 25, 2015	No status recorded
14/441,127	Nov 6, 2013	No status recorded