Leybold GmbH
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 11 name spellings.
Previously recorded as Oerlikon Leybold Vacuum GmbH (to 2016)
5
Ending by 2030
Apr 2027
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 Nov 19, 2026The maintenance fee for Device for Mass Selective Determination of an Ion (US 9,035,245) comes due Nov 19, 2026. Unpaid by May 19, 2027, it lapses early.
- 1 fee due Jan 2, 2027The maintenance fee for Diffusion pump to supply heat from a condenser to a heating element (US 10,337,531) comes due Jan 2, 2027. Unpaid by Jul 2, 2027, it lapses early.
- 2 fees due Feb 8 to 27, 2027 · next Feb 8
- 1 fee due Apr 17, 2027The maintenance fee for Mass spectrometer and method for analysing a gas by mass spectrometry (US 11,791,147) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
- 1 fee due May 5, 2027The maintenance fee for Vacuum pump system (US 10,465,686) comes due May 5, 2027. Unpaid by Nov 5, 2027, it lapses early.
- 2 fees due Jul 12 to 16, 2027 · next Jul 12
- 1 fee due Sep 19, 2027The maintenance fee for Ion trap with ring-shaped ion storage cell and mass spectrometer (US 11,935,734) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.
- 1 fee due Nov 12, 2027The maintenance fee for Device and method for driving a vacuum pump (US 10,648,474) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- 1 term has 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 D681,060 | Casing In force · From the USPTO record | In force | From the USPTO record | |
| US 8,469,684 | Rotary vacuum pump with a discharge compensating channel In force · From the USPTO record | In force | From the USPTO record | |
| US 8,602,759 | Screw-type vacuum pump having overpressure openings In force · From the USPTO record | In force | From the USPTO record | |
| US 8,741,015 | Multistage oil separator In force · From the USPTO record | In force | From the USPTO record | |
| US 8,740,578 | Vacuum pump in particular roots type pump In force · From the USPTO record | In force | From the USPTO record | |
| US 8,926,266 | Multi-Inlet Vacuum Pump In force · High confidence | In force | High confidence | |
| US 9,234,519 | Vacuum pump In force · From the USPTO record | In force | From the USPTO record | |
| US 9,476,423 | Roots pump connection channels separating adjacent pump stages In force · From the USPTO record | In force | From the USPTO record | |
| US 9,841,342 | Leak detection device and method for checking objects for fluid tightness by means of a leak detection device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,035,245 | Device for Mass Selective Determination of an Ion In force · High confidence | In force | High confidence |
Also on record, not counted in the 36: 13 lapsed for an unpaid fee · 576 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.
3 pending · 3 abandoned · 18 no status recorded