Calnetix Technologies, LLC
16 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.
5
Ending by 2030
Jul 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 Jan 28, 2027The maintenance fee for Bidirectional pumping and energy recovery system (US 9,093,871) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 2 fees due Jun 1 to 17, 2027 · next Jun 1
Recent changes
- 1 of the patents on this record was 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,395,288 | Electric machine with centrifugal impeller In force · From the USPTO record | In force | From the USPTO record | |
| US 7,557,480 | Communicating magnetic flux across a gap with a rotating body In force · From the USPTO record | In force | From the USPTO record | |
| US 8,169,118 | High-aspect-ratio homopolar magnetic actuator In force · From the USPTO record | In force | From the USPTO record | |
| US 8,183,854 | Measuring linear velocity In force · From the USPTO record | In force | From the USPTO record | |
| US 8,102,088 | Generating electromagnetic forces with flux feedback control In force · From the USPTO record | In force | From the USPTO record | |
| US 8,482,174 | Electromagnetic actuator In force · From the USPTO record | In force | From the USPTO record | |
| US 8,378,543 | Generating electromagnetic forces in large air gaps In force · From the USPTO record | In force | From the USPTO record | |
| US 8,564,281 | Noncontact measuring of the position of an object with magnetic flux In force · From the USPTO record | In force | From the USPTO record | |
| US 8,847,451 | Combination radial/axial electromagnetic actuator with an improved axial frequency response In force · From the USPTO record | In force | From the USPTO record | |
| US 8,796,894 | Combination radial/axial electromagnetic actuator In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 29: 16 patents in force now held by others · 4 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.
1 abandoned · 1 no status recorded