The Patent Finder

Best Technologies, Inc.

26 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
Jul 2034
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 May 14, 2027
    The maintenance fee for Fluid Flow Device with Discrete Point Calibration Flow Rate-Based Remote Calibration System and Method (US 11,815,923) comes due May 14, 2027. Unpaid by Nov 15, 2027, it lapses early.
  • 1 fee due Jun 19, 2027
    The maintenance fee for Air handler devices with U-bend design (US 11,846,434) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.
  • 1 fee due Jul 2, 2027
    The maintenance fee for Leafless joint system that pivots and slides (US 11,859,422) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
  • 1 fee due Sep 17, 2027
    The maintenance fee for Low Flow Fluid Controller Apparatus and System (US 10,591,175) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
  • 1 fee due Oct 2, 2027
    The maintenance fee for Measuring Pressure in a Stagnation Zone (US 11,947,370) comes due Oct 2, 2027. Unpaid by Apr 3, 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.
PatentTitleStatus Expires Confidence
US 10,030,882Low Flow Fluid Controller Apparatus and System
In force
 · High confidence
In forceHigh confidence
US 10,088,821Self Balancing Air Fixture
In force
 · High confidence
In forceHigh confidence
US 10,175,669Fluid Control Measuring and Controlling Device
In force
 · High confidence
In forceHigh confidence
US 10,591,175Low Flow Fluid Controller Apparatus and System
In force
 · High confidence
In forceHigh confidence
US 10,655,875Low Flow Fluid Device and Pre-Piped Hydronics
In force
 · High confidence
In forceHigh confidence
US 10,955,159Variable Aperture Fluid Flow Assembly
In force
 · High confidence
In forceHigh confidence
US 11,231,195HVAC Self-Balancing Components and Controls
In force
 · High confidence
In forceHigh confidence
US 11,231,196Test Stand Data Table-Based Fluid Flow Device with Remote Calibration System and Method
In force
 · High confidence
In forceHigh confidence
US 11,429,121Fluid Flow Device with Sparse Data Surface-Fit-Based Remote Calibration System and Method
In force
 · High confidence
In forceHigh confidence
US 11,681,306Low flow fluid device and pre-piped hydronics
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 26 patents shown.
Pro members see all 26.
Pro members: see all 26 patents

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.

4 pending · 1 abandoned · 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