H02B 1/52
Mobile units
Official title: Mobile units, e.g. for work sites
H02B1/52 (Mobile units) appears on 134 US grants and 136 published applications in this corpus.
Search patents in H02B- Granted patents
- 134
- Published applications
- 136
- Assignees
- 72
- Inventors
- 226
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 1 |
| 2007 | 2 | 7 |
| 2008 | 3 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 5 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 7 | 3 |
| 2014 | 2 | 5 |
| 2015 | 2 | 6 |
| 2016 | 5 | 7 |
| 2017 | 4 | 3 |
| 2018 | 4 | 7 |
| 2019 | 6 | 8 |
| 2020 | 17 | 13 |
| 2021 | 10 | 10 |
| 2022 | 10 | 14 |
| 2023 | 9 | 10 |
| 2024 | 5 | 11 |
| 2025 | 8 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Worksite power distribution box18 Aug 2026US 12,712,342 B2Milwaukee Electric Tool Corporation
- Integrated type step-down power supply device and wellsite power supply system21 Jul 2026US 12,689,187 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Movable distribution board having leakage current limiting function16 Jun 2026US 12,658,690 B2VISION TECH Corporation
- Electrical distribution box10 Mar 2026US 12,573,824 B2Trystar, Inc.
- Variable frequency drive configuration for electric driven hydraulic fracking system23 Dec 2025US 12,503,923 B2Halliburton Energy Services.Inc.
- Generator distribution box13 Aug 2026US 2026/0237980 A1Yamabiko Corporation
- Uninterruptible power supply cabinet4 Jun 2026US 2026/0155636 A1Huawei Digital Power Technologies Co., Ltd.
- Capacitor bank control system14 May 2026US 2026/0133236 A1Eaton Intelligent Power Limited
- Mobile multi-voltage power distribution system5 Mar 2026US 2026/0066625 A1Stewart & Stevenson LLC
- Electric driven hydraulic fracking operation14 Aug 2025US 2025/0257620 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Parameter monitoring and control for an electric driven hydraulic fracking system192US 10,753,165 B1National Service Alliance—Houston LLC · 2020
- Variable frequency drive configuration for electric driven hydraulic fracking system177US 10,753,153 B1National Service Alliance—Houston LLC · 2020
- Parameter monitoring and control for an electric driven hydraulic fracking system119US 10,871,045 B2National Service Alliance—Houston LLC · 2020
- Transportable modular multi-appliance device89US 8,415,829 B2Vdc Manufacturing Inc. · 2013
- Electric driven hydraulic fracking operation65US 10,988,998 B2National Service Alliance—Houston LLC · 2021