H01K 3/02
Manufacture of incandescent bodies
H01K3/02 (Manufacture of incandescent bodies) appears on 86 US grants and 65 published applications in this corpus.
Search patents in H01K- Granted patents
- 86
- Published applications
- 65
- Assignees
- 57
- Inventors
- 228
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 7 | 7 |
| 2006 | 2 | 10 |
| 2007 | 3 | 3 |
| 2008 | 3 | 8 |
| 2009 | 1 | 2 |
| 2010 | 4 | 6 |
| 2011 | 0 | 0 |
| 2012 | 3 | 3 |
| 2013 | 1 | 1 |
| 2014 | 5 | 9 |
| 2015 | 2 | 0 |
| 2016 | 5 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Lamp filament having a pitch gradient and method of making14 Jan 2025US 12,198,922 B2APPLIED Materials.Inc.
- Thermal emission source7 Sep 2021US 11,112,536 B2Kyoto University
- Structural design and process to improve the temperature modulation and power consumption of an IR emitter16 Mar 2021US 10,952,283 B2Koninklijke Philips N. V.
- Infrared device2 Mar 2021US 10,937,643 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Microelectromechanical light emitter component, light emitter component and method for producing a microelectromechanical light emitter component18 Aug 2020US 10,748,732 B2Infineon Technologies AG
- Lamp filament having a pitch gradient and method of making19 Jan 2023US 2023/0017852 A1APPLIED Materials.Inc.
- Infrared device23 Jul 2020US 2020/0234942 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Infrared radiating element4 Jul 2019US 2019/0206671 A1Heraeus Noblelight GmbH
- Microelectromechanical light emitter component, light emitter component and method for producing a microelectromechanical light emitter component16 May 2019US 2019/0148101 A1Infineon Technologies AG
- Thermal Emission Source28 Feb 2019US 2019/0064393 A1Kyoto University
Most cited
By later US patents
- Incandescent microcavity lightsource having filament spaced from reflector at node of wave emitted48US 5,955,839 AQuantum Vision, Inc. · 1999
- Electrically modulatable thermal radiant source and method for manufacturing the same47US 5,500,569 AInstrumentarium Corp. · 1996
- Thermophotovoltaic energy conversion using photonic bandgap selective emitters41US 6,583,350 B1Sandia Corporation · 2003
- Translucent alumina filaments and tape cast methods for making36US 9,287,106 B1Corning Incorporated · 2016
- Method of manufacturing a light filament from carbon nanotubes32US 6,957,993 B2Hon Hai Precision Ind.Co., Ltd. · 2005