The Patent Finder

Rational AG

30 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

7
Ending by 2030
Apr 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.
  • 2 fees due Jun 5 to 12, 2027 · next Jun 5
  • 2 fees due Oct 12 to 16, 2027 · next Oct 12

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted 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.
PatentTitleStatus Expires Confidence
US 8,025,740Process for conducting cleaning operations in a fluid-receiving device of a foodstuff-processing apparatus, and fluid-receiving device and foodstuff-processing apparatus therefor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,147,888Method for the intelligent continuous filling of a cooking device and cooking device therefor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,310,085Method of conducting at least one cooking process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,269,151Method for displaying, particularly a heating or cooling curve, and cooking appliance for carrying out such a method
In force
 · From the USPTO record
In forceFrom the USPTO record
US D734,636Kitchen utensil
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,455,028Method for conducting at least one cooking process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,178,142Method for conducting a treatment program of a food preparation appliance with consideration of aroma profiles
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,750,089Cooking device with a predetermined parameter, program and/or mode of operation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,475,857Method for the energy-saving control of a food processing process or a processing chamber cleaning process and cooking device used therefor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,344,294Method and cooking appliance for cooking according to the C-value
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 30 patents shown.
Pro members see all 30.
Pro members: see all 30 patents
Also on record, not counted in the 30: 1 patent in force now held by others · 16 lapsed for an unpaid fee · 24 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.

2 pending · 28 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