The Patent Finder

Hazel Technologies, Inc.

5 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 2031
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 Nov 19, 2026
  • 1 fee due Mar 24, 2027
    The maintenance fee for Atmosphere Control Around Respiring Biological Materials (US 10,420,352) comes due Mar 24, 2027. Unpaid by Sep 24, 2027, it lapses early.
  • 1 fee due May 17, 2027
    The maintenance fee for Atmosphere Control Around Respiring Biological Materials (US 9,185,920) comes due May 17, 2027. Unpaid by Nov 17, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended since Aug 16, 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.

Showing 1 to 5 of 5

PatentTitleStatus Expires Confidence
US 9,034,405Combinations of Atmosphere Control Members
In force
 · High confidence
In forceHigh confidence
US 9,034,408Packaging
In force
 · High confidence
In forceHigh confidence
US 9,185,920Atmosphere Control Around Respiring Biological Materials
In force
 · High confidence
In forceHigh confidence
US 10,420,352Atmosphere Control Around Respiring Biological Materials
In force
 · Medium confidence
In forceMedium confidence
US 11,278,023Compositions for Controlled Release of Active Ingredients and Methods of Making Same
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 5: 6 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.

3 abandoned · 6 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