H01R 39/48
By air blast
Official title: by air blast; by surrounding collector with non-conducting liquid or gas
H01R39/48 (By air blast) appears on 25 US grants and 23 published applications in this corpus.
Search patents in H01R- Granted patents
- 25
- Published applications
- 23
- Assignees
- 30
- Inventors
- 69
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods to mitigate electrical voltage on a rotating shaft immersed in oil18 Feb 2025US 12,231,007 B2Illinois Tool Works Inc.
- Combined cooling and dust extrusion device and method23 Feb 2021US 10,931,173 B2GE Renewable Technologies
- High-voltage electrical swivel26 May 2020US 10,666,005 B2Euro Techniques Industries
- Current carrying systems and methods of assembling the same17 Jul 2018US 10,027,076 B2General Electric Company
- Blade wheel for a rotary electric machine and rotary electric machine comprising a blade wheel27 Jun 2017US 9,689,267 B2Continental Automotive GmbH
- Diverting device for diverting electrical currents, and machine comprising a diverting device of this type11 Dec 2025US 2025/0379408 A1
- Systems and methods to mitigate electrical voltage on a rotating shaft immersed in oil17 Jul 2025US 2025/0233493 A1Illinois Tool Works Inc.
- Electric brush module and x-ray ct apparatus20 Mar 2025US 2025/0090127 A1Canon Medical Systems Corporation
- Suction system for efficiently sucking up the dust of a rotating electric machine in a polluted environment12 Dec 2024US 2024/0413712 A1Mersen France Amiens SAS
- Discharge device for discharging electrical currents and machine comprising such a discharge device10 Oct 2024US 2024/0339896 A1Audi AG
Most cited
By later US patents
- Ventilated brush holder23US 5,296,772 AGeneral Motors Corporation · 1994
- Method and apparatus for increasing the efficiency of electrical rotary machines18US 5,517,072 AEfficient Propulsion, Inc. · 1996
- Slip-ring connection14US 4,063,792 AEMI Limited · 1977
- Dust guard13US 6,097,128 AJohnson Electric S. A. · 2000
- Solid brush current collection system10US 4,241,271 AWestinghouse Electric Corp. · 1980