B41M 2205/40
Cover layers
Official title: Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
B41M2205/40 (Cover layers) appears on 317 US grants and 351 published applications in this corpus.
Search patents in B41M- Granted patents
- 317
- Published applications
- 351
- Assignees
- 140
- Inventors
- 734
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 3 |
| 2003 | 3 | 6 |
| 2004 | 1 | 6 |
| 2005 | 6 | 9 |
| 2006 | 4 | 19 |
| 2007 | 6 | 10 |
| 2008 | 6 | 23 |
| 2009 | 9 | 15 |
| 2010 | 7 | 17 |
| 2011 | 11 | 16 |
| 2012 | 20 | 9 |
| 2013 | 21 | 15 |
| 2014 | 15 | 10 |
| 2015 | 12 | 26 |
| 2016 | 18 | 23 |
| 2017 | 24 | 26 |
| 2018 | 21 | 11 |
| 2019 | 14 | 15 |
| 2020 | 6 | 14 |
| 2021 | 9 | 22 |
| 2022 | 15 | 12 |
| 2023 | 11 | 14 |
| 2024 | 13 | 12 |
| 2025 | 7 | 9 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Printed material and method for producing printed material1 Sep 2026US 12,722,357 B2FUJIFILM Business Innovation Corp.
- Thermosensitive recording layer forming liquid, thermosensitive recording medium and production method thereof, and image recording method12 May 2026US 12,623,478 B2Ricoh Company, Ltd.
- Printed material, method for producing printed material and printing medium for laser printing7 Apr 2026US 12,594,781 B2Oji Holdings Corporation
- Laser marked articles with machine readable codes31 Mar 2026US 12,589,608 B2The Procter & Gamble Company
- Heat-sensitive recording material comprising phenol-free organic colour developers28 Oct 2025US 12,454,144 B2Mitsubishi HiTec Paper Europe GmbH
- Method of producing thermal transfer print sheet, thermal transfer print sheet, and method of thermal transfer printing24 Sep 2026US 2026/0286603 A1
- Laser marked articles with machine readable codes18 Jun 2026US 2026/0166906 A1The Procter & Gamble Company
- Thermal barrier coating for non-top-coated (ntc) paper18 Jun 2026US 2026/0168176 A1Iconex LLC
- Transfer imaging system28 May 2026US 2026/0145456 A1Sawgrass Technologies, Inc.
- Thermal recording material30 Apr 2026US 2026/0116113 A1Osaka Sealing Printing Co., Ltd.
Most cited
By later US patents
- Thermosensitive recording adhesive label120US 4,370,370 ARicoh Company, Ltd. · 1983
- Visually changing paper time indicator employing controllable barrier68US 6,452,873 B1Temtec, Inc. · 2002
- Released heat-sensitive recording paper56US 4,388,362 ARicoh Company, Ltd. · 1983
- Durable ornamental indicia carrier50US 11,471,253 B2Align Technology, Inc. · 2022
- Thermosensitive recording sheet43US 4,507,669 ARicoh Company, Ltd. · 1985