Magnetek, Inc.
2 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.
2
Ending by 2030
Oct 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 Method and apparatus for determining position for a permanent magnet elevator motor (US 9,093,937) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
- 1 fee due Apr 6, 2027The maintenance fee for System for control of mobile hydraulic equipment (US 9,152,152) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
- 1 fee due May 10, 2027The maintenance fee for Method and apparatus for measuring a load in a material handling system (US 9,182,270) comes due May 10, 2027. Unpaid by Nov 10, 2027, it lapses early.
- 1 fee due Jul 30, 2027The maintenance fee for System and method of increasing resolution of position feedback for motor control (US 11,888,430) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
- 1 fee due Sep 19, 2027The maintenance fee for Dynamic maximum frequency in a slow-down region for a material handling system (US 11,932,519) comes due Sep 19, 2027. Unpaid by Mar 20, 2028, it lapses early.
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 7,841,583 | System and Method for Detecting a Discontinuity in a Mechanical Drive Train In force · High confidence | In force | High confidence | |
| US 8,198,837 | Device and Method for Measuring and Controlling the Speed and Torque of a DC Motor In force · High confidence | In force | High confidence | |
| US 9,152,152 | System for control of mobile hydraulic equipment In force · From the USPTO record | In force | From the USPTO record | |
| US 8,401,814 | Hoist System with an Electronic Programmable Limit Switch In force · High confidence | In force | High confidence | |
| US 8,554,378 | System for control of mobile hydraulic equipment In force · From the USPTO record | In force | From the USPTO record | |
| US 8,669,724 | Method and apparatus for load dependent speed control of a motor In force · From the USPTO record | In force | From the USPTO record | |
| US 8,686,670 | Method and apparatus for calibrating and testing brake holding torque In force · From the USPTO record | In force | From the USPTO record | |
| US 9,093,937 | Method and apparatus for determining position for a permanent magnet elevator motor In force · From the USPTO record | In force | From the USPTO record | |
| US 9,182,270 | Method and apparatus for measuring a load in a material handling system In force · From the USPTO record | In force | From the USPTO record | |
| US 9,650,231 | Method and apparatus for controlling a bucket hoist In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 17: 2 patents in force now held by others · 12 lapsed for an unpaid fee · 176 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 pending