Y10T 29/49226
Electret making
Y10T29/49226 (Electret making) appears on 90 US grants and 44 published applications in this corpus.
Search patents in Y10T- Granted patents
- 90
- Published applications
- 44
- Assignees
- 68
- Inventors
- 170
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 5 |
| 2007 | 3 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 4 | 5 |
| 2011 | 3 | 3 |
| 2012 | 5 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 1 |
| 2017 | 4 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods of saturating nonwoven fabrics with liquid and the making of electret thereof18 Mar 2025US 12,252,826 B2University of Tennessee Research Foundation
- Electret element, electromechanical converter and method for manufacturing electret element10 Nov 2020US 10,833,607 B2Kabushiki Kaisha Saginomiya Seisakusho
- Shield film, shielded printed wiring board, and method for manufacturing shield film14 Aug 2018US 10,051,765 B2Tatsuta Electric Wire & Cable Co., Ltd.
- Shield film, shielded printed wiring board, and method for manufacturing shield film3 Jul 2018US 10,015,915 B2Tatsuta Electric Wire & Cable Co., Ltd.
- Capacitive microphone with integrated cavity17 Oct 2017US 9,794,711 B2University of Florida Research Foundation, Inc.
- Methods of saturating nonwoven fabrics with liquid and the making of electret thereof26 Aug 2021US 2021/0262134 A1University of Tennessee Research Foundation
- Electret Element, Electromechanical Converter and Method for Manufacturing Electret Element8 Feb 2018US 2018/0041140 A1Kabushiki Kaisha Saginomiya Seisakusho
- Capacitive microphone with integrated cavity30 Mar 2017US 2017/0094436 A1University of Florida Research Foundation, Inc.
- Shield Film, Shielded Printed Wiring Board, And Method for Manufacturing Shield Film14 Jul 2016US 2016/0205817 A1Tatsuta Electric Wire & Cable Co., Ltd.
- Electrical switching apparatus, and jumper and associated method therefor24 Dec 2015US 2015/0371790 A1Eaton Corporation
Most cited
By later US patents
- Method of fabricating a liquid crystal display249US 3,978,580 AHughes Aircraft Company · 1976
- Method for manufacturing an electret filter medium243US 4,588,537 AMinnesota Mining and Manufacturing Company · 1986
- Method of making fibrous electrets241US 4,375,718 ASurgikos, Inc. · 1983
- Thin film electret microphone96US 6,243,474 B1California Institute of Technology · 2001
- Method of making a variable capacitor microphone67US 5,101,543 AGentex Corporation · 1992