Pi Tech Innovations LLC

9 patents currently held · Updated Nov 15, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Jul 2038

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.

1 fee due Nov 23, 2026
The maintenance fee for Continuous diamond surface bearings for sliding engagement with metal surfaces (US 11,655,850) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
1 fee due Aug 20, 2027
The maintenance fee for Joints with diamond bearing surfaces (US 11,906,001) comes due Aug 20, 2027. Unpaid by Feb 22, 2028, it lapses early.
1 fee due Sep 19, 2027
The maintenance fee for Continuous diamond surface bearings for sliding engagement with metal surfaces (US 11,933,356) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.

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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 11,054,000	Polycrystalline diamond power transmission surfaces In force Term ends Jul 30, 2038 · From the USPTO record	In force	Term ends Jul 30, 2038	From the USPTO record
US 11,274,731	Polycrystalline diamond power transmission surfaces In force Term ends Jul 30, 2038 · From the USPTO record	In force	Term ends Jul 30, 2038	From the USPTO record
US 11,906,001	Joints with diamond bearing surfaces In force Ends no later than Jul 30, 2038 · From the USPTO record	In force	Ends no later than Jul 30, 2038	From the USPTO record
US 12,228,177	Driveline with double conical bearing joints having polycrystalline diamond power transmission surfaces In force Term ends Mar 27, 2040 · From the USPTO record	In force	Term ends Mar 27, 2040	From the USPTO record
US 11,614,126	Joints with Diamond Bearing Surfaces In force Term ends May 29, 2040 · Medium confidence	In force	Term ends May 29, 2040	Medium confidence
US 11,655,850	Continuous diamond surface bearings for sliding engagement with metal surfaces In force Term ends Nov 9, 2041 · From the USPTO record	In force	Term ends Nov 9, 2041	From the USPTO record
US 11,933,356	Continuous diamond surface bearings for sliding engagement with metal surfaces In force Term ends Nov 9, 2041 · From the USPTO record	In force	Term ends Nov 9, 2041	From the USPTO record
US 12,006,973	Diamond surface bearings for sliding engagement with metal surfaces In force Term ends Nov 9, 2041 · From the USPTO record	In force	Term ends Nov 9, 2041	From the USPTO record
US 12,492,725	Polycrystalline Diamond-On-Metal Bearings for Use in Cryogenic Conditions In force Term ends Oct 29, 2043 · High confidence	In force	Term ends Oct 29, 2043	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.

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.

2 pending

List them