H01K 1/28
Envelopes
Official title: Envelopes; Vessels
H01K1/28 (Envelopes) appears on 429 US grants and 268 published applications in this corpus.
Search patents in H01K- Granted patents
- 429
- Published applications
- 268
- Assignees
- 161
- Inventors
- 853
- Latest grant
- 25 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 15 | 0 |
| 1986 | 12 | 0 |
| 1987 | 21 | 0 |
| 1988 | 16 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 3 |
| 2002 | 15 | 14 |
| 2003 | 18 | 19 |
| 2004 | 11 | 19 |
| 2005 | 11 | 20 |
| 2006 | 5 | 32 |
| 2007 | 11 | 15 |
| 2008 | 12 | 24 |
| 2009 | 7 | 18 |
| 2010 | 11 | 18 |
| 2011 | 9 | 22 |
| 2012 | 8 | 6 |
| 2013 | 9 | 7 |
| 2014 | 6 | 8 |
| 2015 | 6 | 9 |
| 2016 | 8 | 10 |
| 2017 | 5 | 5 |
| 2018 | 7 | 4 |
| 2019 | 7 | 5 |
| 2020 | 7 | 5 |
| 2021 | 4 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Infrared light radiation device25 Jul 2023US 11,710,628 B2NGK Insulators, Ltd.
- High temperature heater lamp18 Oct 2022US 11,477,855 B2Arizona Board of Regents on behalf of Arizona State University
- Lamp cross-section for reduced coil heating4 Oct 2022US 11,462,396 B2APPLIED Materials.Inc.
- High temperature heater lamp7 Sep 2021US 11,116,043 B2Arizona Board of Regents on behalf of Arizona State University
- Lamp infrared radiation profile control by lamp filament design and positioning6 Jul 2021US 11,057,963 B2APPLIED Materials.Inc.
- Ultraviolet cathodluminescent systems and methods26 Feb 2026US 2026/0059622 A1NS Nanotech, Inc.
- Emitter component with a reflective layer, and method for producing same14 Dec 2023US 2023/0399256 A1Heraeus Noblelight GmbH
- Glass having high uv transmittance and high solarization resistance24 Nov 2022US 2022/0371943 A1Schott AG
- High temperature heater lamp23 Dec 2021US 2021/0400773 A1Arizona Board of Regents on behalf of Arizona State University
- High temperature heater lamp10 Jun 2021US 2021/0176827 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- Rapid thermal processing heater technology and method of use202US 5,951,896 AMicro C Technologies, Inc. · 1999
- Sealed micromachined vacuum and gas filled devices173US 5,493,177 AThe Regents of the University of California · 1996
- Omnidirectional lighting device128US 6,568,834 B1Goeken Group Corp. · 2003
- Photocatalyst, light source and lighting device107US 6,242,752 B1Nihon Doro Kodan-Japan Highway Public Corp. · 2001
- Light emitting device, socket device and lighting device104US 6,325,651 B1Moriyama Sangyo Kabushiki Kaisha · 2001