H02P 2201/01
Ac-ac converter stage controlled to provide a defined ac voltage
Official title: AC-AC converter stage controlled to provide a defined AC voltage
H02P2201/01 (Ac-ac converter stage controlled to provide a defined ac voltage) appears on 23 US grants and 26 published applications in this corpus.
Search patents in H02P- Granted patents
- 23
- Published applications
- 26
- Assignees
- 17
- Inventors
- 65
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 5 | 4 |
| 2021 | 2 | 3 |
| 2022 | 5 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Variable frequency drive system with medium voltage input and low voltage output21 Oct 2025US 12,451,827 B2Trane International Inc.
- Motor flying start using field weakening control24 Dec 2024US 12,176,837 B2Rockwell Automation Technologies, Inc.
- Open loop phase pre-charge14 May 2024US 11,984,814 B2Rockwell Automation Technologies, Inc.
- Active DC bus voltage balancing circuit14 May 2024US 11,984,829 B2Rockwell Automation Technologies, Inc.
- Power conversion apparatus that drives a motor by receiving a three-phase AC voltage from an AC power system15 Aug 2023US 11,728,742 B2Toshiba Mitsubishi-Electric Industrial Systems Corporation
- Control factor based matrix converter control in a motor drive unit8 Oct 2026US 2026/0312525 A1Vidar Corporation
- Priority-based matrix converter control in an electric motor drive unit1 Oct 2026US 2026/0302995 A1Vidar Corporation
- Variable frequency drive system with medium voltage input and low voltage output2 Apr 2026US 2026/0095117 A1Trane International Inc.
- Motor power source regulation circuit, control method and electronic device29 Jan 2026US 2026/0031698 A1Hunan Megmeet Electrical Technology Co., Ltd.
- Motor drive device and refrigeration cycle apparatus3 Jul 2025US 2025/0219564 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Integrated regenerative AC drive with solid state precharging13US 8,816,625 B2Rockwell Automation Technologies, Inc. · 2014
- Switching-based control for a power converter7US 8,853,876 B1General Electric Company · 2014
- High-efficiency-direct-drive cryocooler driver4US 8,970,158 B1FLIR Systems, Inc. · 2015
- Generator systems2US 10,630,164 B1Hamilton Sundstrand Corporation · 2020
- Generator systems and controllers2US 10,715,029 B1Hamilton Sundstrand Corporation · 2020