Krohne AG
4 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
21
Ending by 2030
Dec 2026
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 Dec 25, 2026The maintenance fee for Probe holder with spacer (US 10,330,516) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
- 1 fee due Jan 28, 2027The maintenance fee for Magnetic-inductive flow meter with a partially constricted measuring tube flow cross-section (US 9,091,574) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 3 fees due Feb 6 to 27, 2027 · next Feb 6
- 4 fees due Mar 1 to 15, 2027 · next Mar 1
- 3 fees due May 5 to 19, 2027 · next May 5
- 3 fees due Jun 3 to 30, 2027 · next Jun 3
- 1 fee due Jul 30, 2027The maintenance fee for Ultrasonic Flowmeter, Use of an Ultrasonic Flowmeter in a Shut-off Device and Shut-off Device (US 11,885,654) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
- 1 fee due Sep 10, 2027The maintenance fee for Ultrasound flowmeter and method for measuring flow rate (US 10,584,995) comes due Sep 10, 2027. Unpaid by Mar 10, 2028, it lapses early.
- 1 fee due Oct 19, 2027The maintenance fee for Magnet module for a nuclear magnetic flow meter (US 9,316,515) comes due Oct 19, 2027. Unpaid by Apr 19, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 17, 2026
- 3 terms have ended since Aug 17, 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,337,676 | Device for measuring the mass rate of flow In force · From the USPTO record | In force | From the USPTO record | |
| US 7,475,602 | Process for mounting a clamp-on flow rate measurement device and mounting device for attaching a clamp-on flow rate measurement device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,380,469 | Ultrasonic flow rate measuring device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,500,402 | Ultrasonic flow rate measuring device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,647,841 | Process for operation of a Coriolis mass flow rate measurement device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,540,203 | Device for measuring the mass rate of flow having two measuring tubes joined by a stiffened connector In force · From the USPTO record | In force | From the USPTO record | |
| US 7,701,118 | Ultrasonic flow rate measuring device In force · From the USPTO record | In force | From the USPTO record | |
| US 7,810,399 | Ultrasonic flowmeter In force · From the USPTO record | In force | From the USPTO record | |
| US 7,719,267 | Apparatus and Method for Real Time and Real Flow-Rates Measurements of Oil and Water Cuts from Oil Production In force · High confidence | In force | High confidence | |
| US 7,971,494 | Coriolis mass flowmeter having a reinforcing bridge between two end connection plates In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 116: 4 patents in force now held by others · 58 lapsed for an unpaid fee · 35 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.
8 pending · 7 no status recorded