Temperature estimation of step motor based on sensing voltage thereof
US-2021175838-A1 · Jun 10, 2021 · US
Protection against faults, e.g. against overheating or step-out; Indicating faults
Protection against faults, e.g. against overheating or step-out; Indicating faults · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P8/36 |
| Official title | Protection against faults, e.g. against overheating or step-out; Indicating faults |
| Display label | Protection against faults, e.g. against overheating or step-out; Indicating faults |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 8 |
| 2021 | 14 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trolling motor steering assembly with stall prevention
US-2021031894-A1 · Feb 4, 2021 · US
Inductive load control device
US-2020381913-A1 · Dec 3, 2020 · US
Driving circuit and driving method of stepping motor and electronic machine using the same
US-2020295683-A1 · Sep 17, 2020 · US
Determination of an interrupted motor phase of an electric motor
US-2020212828-A1 · Jul 2, 2020 · US
Electric motor system
US-10644638-B2 · May 5, 2020 · US
Sheet conveyance apparatus and image forming apparatus
US-2020136541-A1 · Apr 30, 2020 · US
Motor control device and step-out state detection method
US-10615725-B2 · Apr 7, 2020 · US
Motor current control device and motor current control method
US-2020083827-A1 · Mar 12, 2020 · US
Rotary electric machine and turbine system
US-2020028401-A1 · Jan 23, 2020 · US
Shift range control apparatus
US-2019383387-A1 · Dec 19, 2019 · US
Method for Operating a Textile Machine, and Textile Machine
US-2019368077-A1 · Dec 5, 2019 · US
Method for supplying an inductive load
US-10479402-B2 · Nov 19, 2019 · US
Compensated actuator system
US-2019332068-A1 · Oct 31, 2019 · US
Compensated actuator system
US-10437201-B1 · Oct 8, 2019 · US
Movement And Electronic Timepiece
US-2019302698-A1 · Oct 3, 2019 · US
Motor drive apparatus for driving stepping motor and control method therefor
US-10389283-B2 · Aug 20, 2019 · US
Method for supplying an inductive load
US-2019225259-A1 · Jul 25, 2019 · US
Motor control device and step-out state detection method
US-2019190417-A1 · Jun 20, 2019 · US
Electronic expansion valve, control system, and control method
US-2019178404-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P8/36?
- CPC H02P8/36 is the Cooperative Patent Classification code for “Protection against faults, e.g. against overheating or step-out; Indicating faults.”
- How many patents are filed under CPC H02P8/36 (Protection against faults, e.g. against overheating or step-out; Indicating faults)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC H02P8/36 growing?
- Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).