H02K 3/44
Protection against moisture or chemical attack
Official title: Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas
H02K3/44 (Protection against moisture or chemical attack) appears on 169 US grants and 187 published applications in this corpus.
Search patents in H02K- Granted patents
- 169
- Published applications
- 187
- Assignees
- 124
- Inventors
- 456
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 3 |
| 2004 | 5 | 5 |
| 2005 | 4 | 2 |
| 2006 | 5 | 5 |
| 2007 | 3 | 7 |
| 2008 | 2 | 7 |
| 2009 | 1 | 7 |
| 2010 | 6 | 2 |
| 2011 | 3 | 7 |
| 2012 | 2 | 8 |
| 2013 | 5 | 11 |
| 2014 | 8 | 14 |
| 2015 | 8 | 14 |
| 2016 | 2 | 7 |
| 2017 | 9 | 8 |
| 2018 | 10 | 9 |
| 2019 | 10 | 12 |
| 2020 | 10 | 10 |
| 2021 | 9 | 8 |
| 2022 | 8 | 4 |
| 2023 | 1 | 9 |
| 2024 | 8 | 11 |
| 2025 | 6 | 8 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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