B41M 5/281
Using liquid crystals only
Official title: {using liquid crystals only}
B41M5/281 (Using liquid crystals only) appears on 43 US grants and 21 published applications in this corpus.
Search patents in B41M- Granted patents
- 43
- Published applications
- 21
- Assignees
- 31
- Inventors
- 91
- Latest grant
- 7 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 5 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Salt-free composite marking based on chiral liquid crystal precursors comprising chiral acrylate dopants7 Apr 2020US 10,611,919 B2Sicpa Holding SA
- Composite marking based on chiral liquid crystal precursors and modifying resins4 Jun 2019US 10,308,872 B2Sicpa Holding SA
- Marking comprising a chiral liquid crystal polymer and a luminescent substance5 Jun 2018US 9,987,866 B2Sicpa Holding SA
- Exercise mats, systems of exercise mats, and related methods22 Aug 2017US 9,738,059 B2
- Substrate with a modified liquid crystal polymer marking2 Sep 2014US 8,821,756 B2Sicpa Holding SA
- Device customization30 Jul 2026US 2026/0217043 A1Lenovo Global Technology (United States) Inc.
- Thermochromic liquid crystal inks7 Jul 2022US 2022/0213342 A1Sun Chemical Corporation
- Marking comprising a chiral liquid crystal polymer and a luminescent substance4 May 2017US 2017/0120649 A1Sicpa Holding SA
- Composite marking based on chiral liquid crystal precursors and modifying resins22 Sep 2016US 2016/0272890 A1Sicpa Holding SA
- Salt-free composite marking based on chiral liquid crystal precursors comprising chiral acrylate dopants15 Sep 2016US 2016/0264792 A1Sicpa Holding SA
Most cited
By later US patents
- Temperature measuring device of a liquid crystal laminate62US 4,064,872 AAshley-Butler, Inc. · 1977
- Security device for document protection47US 5,372,387 A1994
- Optically active cyano-biphenyl compounds and liquid crystal materials containing them37US 4,077,260 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1978
- Liquid crystal film laminate26US 4,310,577 ALiquid Crystal Products, Inc. · 1982
- Laser marking of effect coatings24US 6,207,240 B1Clariant GmbH · 2001