GWF Messsysteme AG

18 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

Ending by 2030

Jul 2035

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 May 19 to 26, 2027 · next May 19
1 fee due Jul 7, 2027
The maintenance fee for Housing with a sealing body, a sealing body for the housing and a method for producing the sealing body (US 10,530,139) comes due Jul 7, 2027. Unpaid by Jan 7, 2028, it lapses early.
1 fee due Aug 4, 2027
The maintenance fee for Signal travel time flow meter (US 10,551,405) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.
1 fee due Sep 24, 2027
The maintenance fee for Beam shaping acoustic signal travel time flow meter (US 10,598,684) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, it lapses early.
1 fee due Oct 9, 2027
The maintenance fee for Counter (US 11,954,559) comes due Oct 9, 2027. Unpaid by Apr 10, 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.

Patent	Title	Status	Expires	Confidence
US 9,903,882	Signal travel time flow meter In force Ends no later than Jul 29, 2035 · From the USPTO record	In force	Ends no later than Jul 29, 2035	From the USPTO record
US 10,928,414	Signal travel time flow meter In force Ends no later than Jul 29, 2035 · From the USPTO record	In force	Ends no later than Jul 29, 2035	From the USPTO record
US 10,132,648	Wheel and method for producing the wheel In force Term ends Oct 29, 2035 · From the USPTO record	In force	Term ends Oct 29, 2035	From the USPTO record
US 10,114,045	Meter and method for determining meter readings and method for the wireless transmission of electrical energy In force Term ends Dec 2, 2035 · From the USPTO record	In force	Term ends Dec 2, 2035	From the USPTO record
US 10,036,763	Beam shaping acoustic signal travel time flow meter In force Term ends Jan 18, 2036 · From the USPTO record	In force	Term ends Jan 18, 2036	From the USPTO record
US 10,598,684	Beam shaping acoustic signal travel time flow meter In force Ends no later than Jan 18, 2036 · From the USPTO record	In force	Ends no later than Jan 18, 2036	From the USPTO record
US 11,156,488	Compact wide angle acoustic transducer In force Ends no later than Apr 25, 2036 · From the USPTO record	In force	Ends no later than Apr 25, 2036	From the USPTO record
US 10,551,405	Signal travel time flow meter In force Term ends May 10, 2036 · From the USPTO record	In force	Term ends May 10, 2036	From the USPTO record
US 10,530,139	Housing with a sealing body, a sealing body for the housing and a method for producing the sealing body In force Term ends Jun 29, 2036 · From the USPTO record	In force	Term ends Jun 29, 2036	From the USPTO record
US 11,333,676	Beam shaping acoustic signal travel time flow meter In force Term ends Jul 20, 2036 · From the USPTO record	In force	Term ends Jul 20, 2036	From the USPTO record

10 of 18 patents shown.

Pro members see all 18.

Pro members: see all 18 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.

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Published applications

Every application published under this name has become a patent.