The Patent Finder

Carnot Compression Inc.

4 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Apr 2037
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.
  • 1 fee due Dec 13, 2026
    The maintenance fee for Gas compressor with eductor assembly (US 11,674,528) comes due Dec 13, 2026. Unpaid by Jun 14, 2027, it lapses early.
  • 1 fee due Jan 23, 2027
    The maintenance fee for Energy recovery-recycling turbine integrated with a capillary tube gas compressor (US 10,359,055) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
  • 1 fee due Feb 15, 2027
    The maintenance fee for Gas compressor with reduced energy loss (US 11,725,672) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
  • 1 fee due Jun 5, 2027
    The maintenance fee for Gas compressor with reduced energy loss (US 11,835,067) comes due Jun 5, 2027. Unpaid by Dec 6, 2027, 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 4 of 4

PatentTitleStatus Expires Confidence
US 11,725,672Gas compressor with reduced energy loss
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,835,067Gas compressor with reduced energy loss
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,359,055Energy recovery-recycling turbine integrated with a capillary tube gas compressor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,674,528Gas compressor with eductor assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
Also on record, not counted in the 4: 4 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

Every application published under this name has become a patent.

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