H05G 1/20
With high-frequency ac
Official title: with high-frequency AC; with pulse trains {(pulse generators in general H03K3/00, H03K4/00)}
H05G1/20 (With high-frequency ac) appears on 141 US grants and 73 published applications in this corpus.
Search patents in H05G- Granted patents
- 141
- Published applications
- 73
- Assignees
- 77
- Inventors
- 253
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 5 | 7 |
| 2016 | 3 | 1 |
| 2017 | 3 | 3 |
| 2018 | 0 | 3 |
| 2019 | 2 | 2 |
| 2020 | 7 | 8 |
| 2021 | 6 | 6 |
| 2022 | 2 | 5 |
| 2023 | 10 | 5 |
| 2024 | 2 | 6 |
| 2025 | 7 | 8 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for a high voltage generator of an interventional imaging system11 Aug 2026US 12,707,553 B2GE Precision Healthcare LLC
- Operating a filament of an X-ray tube12 May 2026US 12,628,261 B2Koninklijke Philips N. V.
- X-ray source2 Dec 2025US 12,488,956 B2KETEK GmbH Halbleiter- und Reinraumtechnik
- Nanosecond pulser bias compensation21 Oct 2025US 12,451,811 B2EHT Ventures LLC
- Scanning linear accelerator system for producing X-rays of variable controlled dose per pulse27 May 2025US 12,317,400 B2Teledyne ETM, Inc.
- X-Ray Fluorescence Spectrometer and Power Supply Apparatus Used Therefor28 May 2026US 2026/0150173 A1Shimadzu Corporation
- X-ray tube with reduced imaging exposure time26 Feb 2026US 2026/0053452 A13DIO, Inc.
- X-Ray Control Method, System, and CT Apparatus23 Oct 2025US 2025/0331091 A1Yofo (Hefei) Medical Technology Co., Ltd.
- Systems and methods for a high voltage generator of an interventional imaging system25 Sep 2025US 2025/0301558 A1GE Precision Healthcare LLC
- Scanning linear accelerator system for producing x-rays at controlled dose and repetition rates11 Sep 2025US 2025/0287492 A1Teledyne ETM, Inc.
Most cited
By later US patents
- Regulated dc-dc converter using a resonating transformer188US 4,504,895 AGeneral Electric Company · 1985
- Phase shift inverter, X-ray high-voltage device using same, X-ray CT device, and X-ray imaging device159US 8,588,371 B2Hitachi Medical Corporation · 2013
- High voltage supply circuit for an x-ray tube136US 4,641,330 AHeimann GmbH · 1987
- Galvanically isolated output variable pulse generator disclosure89US 9,706,630 B2Eagle Harbor Technologies, Inc. · 2017
- Nanosecond pulser88US 10,224,822 B2Eagle Harbor Technologies, Inc. · 2019