The Patent Finder

Nordyne LLC

12 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded as renamed to Nortek Global Hvac LLC (2015)

Previously recorded as Nortek Global Hvac LLC (to 2024)

3
Ending by 2030
Dec 2028
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 Mar 1, 2027
    The maintenance fee for Heat Pumps with Unequal Cooling and Heating Capacities for Climates Where Demand for Cooling and Heating Are Unequal, and Method of Adapting and Distributing Such Heat Pumps (US 9,121,628) comes due Mar 1, 2027. Unpaid by Sep 1, 2027, it lapses early.
  • 2 fees due May 12, 2027
  • 1 fee due Nov 3, 2027
    The maintenance fee for Heat Pumps with Unequal Cooling and Heating Capacities for Climates Where Demand for Cooling and Heating Are Unequal, and Method of Adapting and Distributing Such Heat Pumps (US 9,328,946) comes due Nov 3, 2027. Unpaid by May 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 7,784,296System and Method for Controlling an Air Conditioner or Heat Pump
In force
 · High confidence
In forceHigh confidence
US 9,328,946Heat Pumps with Unequal Cooling and Heating Capacities for Climates Where Demand for Cooling and Heating Are Unequal, and Method of Adapting and Distributing Such Heat Pumps
In force
 · High confidence
In forceHigh confidence
US 8,011,199HVAC Control Using Discrete-Speed Thermostats and Run Times
In force
 · High confidence
In forceHigh confidence
US 8,261,568Condensing Gas Package Unit with a Tubular Conduit for Passing a Condensate Drain Line
In force
 · High confidence
In forceHigh confidence
US 8,869,545Defrosting a Heat Exchanger in a Heat Pump by Diverting Warm Refrigerant to an Exhaust Header
In force
 · High confidence
In forceHigh confidence
US 9,383,126Refrigerant Charge Management in a Heat Pump Water Heater
In force
 · High confidence
In forceHigh confidence
US 8,672,733Ventilation Airflow Rate Control
In force
 · High confidence
In forceHigh confidence
US 8,756,943Refrigerant Charge Management in a Heat Pump Water Heater
In force
 · High confidence
In forceHigh confidence
US 9,121,628Heat Pumps with Unequal Cooling and Heating Capacities for Climates Where Demand for Cooling and Heating Are Unequal, and Method of Adapting and Distributing Such Heat Pumps
In force
 · Medium confidence
In forceMedium confidence
US 10,066,860Air Conditioning System Having Actively Controlled and Stabilized Hot Gas Reheat Circuit
In force
 · High confidence
In forceHigh confidence
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
Also on record, not counted in the 12: 3 lapsed for an unpaid fee · 23 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.

12 abandoned

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited