MKS Instruments, Inc.
34 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 6 name spellings.
Recorded as renamed to MKS Inc. (2025)
59
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.
- 6 fees due Nov 26 to 30, 2026 · next Nov 26
- 1 fee due Dec 16, 2026The maintenance fee for Pressure-Less Ozonated Di-Water (DIO3) Recirculation Reclaim System (US 9,056,262) comes due Dec 16, 2026. Unpaid by Jun 16, 2027, it lapses early.
- 6 fees due Jan 2 to 23, 2027 · next Jan 2
- 6 fees due Feb 1 to 27, 2027 · next Feb 1
- 5 fees due Mar 5 to 26, 2027 · next Mar 5
- 2 fees due Apr 29 to 30, 2027 · next Apr 29
- 4 fees due May 7 to 28, 2027 · next May 7
- 6 fees due Jun 1 to 26, 2027 · next Jun 1
- 5 fees due Jul 14 to 28, 2027 · next Jul 14
- 2 fees due Aug 4 to 11, 2027 · next Aug 4
- 7 fees due Sep 1 to 30, 2027 · next Sep 1
- 7 fees due Oct 2 to 30, 2027 · next Oct 2
- 3 fees due Nov 10 to 12, 2027 · next Nov 10
Recent changes
- 6 terms have ended 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,428,913 | Valve Assembly Having Articulating Rigid Seating Surface In force · High confidence | In force | High confidence | |
| US 8,710,926 | Radio Frequency Power Delivery System In force · Medium confidence | In force | Medium confidence | |
| US 7,360,429 | High Sensitivity Pressure Actuated Switch Based on MEMS-Fabricated Silicon Diaphragm and Having Electrically Adjustable Switch Point In force · High confidence | In force | High confidence | |
| US 7,477,711 | Synchronous Undersampling for High-Frequency Voltage and Current Measurements In force · High confidence | In force | High confidence | |
| US 8,633,782 | Radio Frequency Power Delivery System In force · Medium confidence | In force | Medium confidence | |
| US 7,630,786 | Manufacturing Process End Point Detection In force · High confidence | In force | High confidence | |
| US 7,429,863 | Method and Apparatus for Maintaining Emission Capabilities of Hot Cathodes in Harsh Environments In force · High confidence | In force | High confidence | |
| US 7,546,208 | Method and Apparatus of Signal Processing for Use in Spectrometry Using an Improved Apodization Function In force · High confidence | In force | High confidence | |
| US 7,706,995 | Capacitance Manometers and Methods Relating to Auto-Drift Correction In force · High confidence | In force | High confidence | |
| US 7,706,925 | Integrated Pressure and Flow Ratio Control System In force · High confidence | In force | High confidence |
Also on record, not counted in the 260: 34 patents in force now held by others · 88 lapsed for an unpaid fee · 370 ended at full term · 1 surrendered on reissue. 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.
14 pending · 51 abandoned · 2 no status recorded