F23Q 2/50
Protecting coverings
F23Q2/50 (Protecting coverings) appears on 33 US grants and 24 published applications in this corpus.
Search patents in F23Q- Granted patents
- 33
- Published applications
- 24
- Assignees
- 15
- Inventors
- 50
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 4 |
| 2020 | 3 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Flame producing assemblies3 Apr 2025US 2025/0109852 A1BIC Violex Single Member S.A.
- Flame producing assembly comprising a shape-shifting layer20 Mar 2025US 2025/0093029 A1BIC Violex Single Member S.A.
- Multifunctional ignition device9 Jan 2025US 2025/0012443 A1Abellio Ltd
- Smart antibacterial coating applied on flame producing assembly5 Sep 2024US 2024/0295322 A1BIC Violex Single Member S.A.
- Lighter case9 May 2024US 2024/0151395 A1
Most cited
By later US patents
- Security device for a portable lighter33US 3,938,943 AS. T. Dupont · 1976
- Disposable cigarette gas lighter with snuffing cover32US 4,190,412 ATokai Seiki Co., Ltd. · 1980
- Cigarette lighter with presale tamper protection24US 4,049,370 ASociete Anonyme dite: Etablissements Genoud & Cie. · 1977
- Child resistant cigarette lighter22US 4,850,854 A1989
- Cigarette lighter with presale tamper protection20US 4,028,043 AGenoud & Cie. · 1977