B65H 2557/50
Use of particular electromagnetic waves
Official title: Use of particular electromagnetic waves, e.g. light, radiowaves or microwaves
B65H2557/50 (Use of particular electromagnetic waves) appears on 175 US grants and 118 published applications in this corpus.
Search patents in B65H- Granted patents
- 175
- Published applications
- 118
- Assignees
- 119
- Inventors
- 327
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 3 |
| 2002 | 8 | 4 |
| 2003 | 10 | 10 |
| 2004 | 5 | 6 |
| 2005 | 2 | 3 |
| 2006 | 3 | 5 |
| 2007 | 2 | 7 |
| 2008 | 3 | 3 |
| 2009 | 3 | 6 |
| 2010 | 4 | 4 |
| 2011 | 3 | 6 |
| 2012 | 5 | 2 |
| 2013 | 5 | 4 |
| 2014 | 5 | 5 |
| 2015 | 3 | 8 |
| 2016 | 7 | 5 |
| 2017 | 3 | 3 |
| 2018 | 3 | 5 |
| 2019 | 6 | 8 |
| 2020 | 3 | 3 |
| 2021 | 3 | 9 |
| 2022 | 4 | 2 |
| 2023 | 5 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drug supply apparatus28 Apr 2026US 12,612,200 B2Phc Holdings Corporation
- Drug supply apparatus26 Aug 2025US 12,397,941 B2Phc Holdings Corporation
- Dispenser for rolled sheet materials with belt drive system15 Oct 2024US 12,114,813 B2
- Device and method for detecting flatness of sheet material6 Feb 2024US 11,891,261 B2Taiyuan University of Science and Technology
- Dispenser for rolled sheet materials with belt drive system22 Aug 2023US 11,730,324 B2Valve Solutions, Inc.
- Recording-medium container device and image forming apparatus27 Mar 2025US 2025/0102986 A1FUJIFILM Business Innovation Corp.
- Manufacturing Method of Electrode Assembly27 Mar 2025US 2025/0105335 A1LG Energy Solution, Ltd.
- Rolled product winding system and method23 Jan 2025US 2025/0026606 A1SMS group GmbH
- Methods and systems for producing pressware7 Nov 2024US 2024/0367403 A1Brown LLC
- Drug supply apparatus11 Jul 2024US 2024/0228086 A1Phc Holdings Corporation
Most cited
By later US patents
- Method and apparatus for currency discrimination and counting290US 5,295,196 ACummins-Allison Corp. · 1994
- Automatic currency processing system275US 5,905,810 ACummins-Allison Corp. · 1999
- Currency discriminator and authenticator270US 5,790,693 ACummins-Allison Corp. · 1998
- Method and apparatus for discriminating and counting documents253US 5,790,697 ACummins-Allion Corp. · 1998
- Automatic currency processing system238US 6,128,402 ACummins-Allison Corp. · 2000