H01J 2235/183
Multi-layer structures
H01J2235/183 (Multi-layer structures) appears on 54 US grants and 58 published applications in this corpus.
Search patents in H01J- Granted patents
- 54
- Published applications
- 58
- Assignees
- 27
- Inventors
- 109
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 6 |
| 2014 | 1 | 2 |
| 2015 | 4 | 3 |
| 2016 | 3 | 1 |
| 2017 | 4 | 2 |
| 2018 | 0 | 2 |
| 2019 | 3 | 3 |
| 2020 | 2 | 4 |
| 2021 | 4 | 5 |
| 2022 | 4 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 6 |
| 2025 | 5 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- X-ray apparatus, electron emission device and manufacturing method26 May 2026US 12,640,329 B2KETEK GmbH Halbleiter- und Reinraumtechnik
- Radiation window, encapsulation and method for producing an encapsulation26 May 2026US 12,640,330 B2KETEK GmbH Halbleiter- und Reinraumtechnik
- X-ray window with stack of layers12 May 2026US 12,626,880 B2Moxtek, Inc.
- Wagon wheel shaped x-ray window support structure17 Feb 2026US 12,555,736 B2Moxtek, Inc.
- X-ray source2 Dec 2025US 12,488,956 B2KETEK GmbH Halbleiter- und Reinraumtechnik
- Radiation window, encapsulation and method for producing an encapsulation3 Sep 2026US 2026/0260837 A1KETEK GmbH Halbleiter- und Reinraumtechnik
- X-ray window with stack of layers27 Aug 2026US 2026/0253831 A1Moxtek, Inc.
- Wagon wheel shaped x-ray window support structure21 May 2026US 2026/0142117 A1Moxtek, Inc.
- Rotating anode disk assemblies9 Apr 2026US 2026/0100323 A1IXRF, Inc.
- X-ray window with atomic layer deposition11 Sep 2025US 2025/0285826 A1Moxtek, Inc.
Most cited
By later US patents
- Aluminum x-ray transmissive window for an x-ray tube vacuum vessel66US 6,118,852 AGeneral Electric Company · 2000
- X-ray window and method of producing same41US 5,173,612 ASumitomo Electric Industries, Ltd. · 1992
- Radiation window and method of manufacture38US 7,035,379 B2Moxtek, Inc. · 2006
- Transmission x-ray tube35US 4,034,251 ANorth American Philips Corporation · 1977
- Hot-cathode X-ray tube having an end-mounted anode32US 4,075,526 ACompagnie Generale de Radiologie · 1978