B65H 2301/542
Quality control
B65H2301/542 (Quality control) appears on 42 US grants and 56 published applications in this corpus.
Search patents in B65H- Granted patents
- 42
- Published applications
- 56
- Assignees
- 41
- Inventors
- 143
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 4 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 1 | 5 |
| 2021 | 3 | 5 |
| 2022 | 5 | 5 |
| 2023 | 4 | 2 |
| 2024 | 4 | 5 |
| 2025 | 2 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for determining cause of electrode connection and roll map generation system using same14 Apr 2026US 12,601,647 B2LG Energy Solution, Ltd.
- Device and method for unwinding and inspection of metallic strip coils31 Mar 2026US 12,589,424 B2Danieli & C. Officine Meccaniche SpA
- Machine for controlling the shape of a reel of web product24 Feb 2026US 12,560,424 B2A. Celli Nonwovens S.p.A.
- System and methods for the calculation of additional local stretching in a web2 Dec 2025US 12,486,135 B2Valmet Corporation
- Device for storing a sheet pile in a converting machine and converting machine23 Sep 2025US 12,421,071 B2Bobst (Shanghai) Ltd
- Rolled material, method, and device1 Oct 2026US 2026/0296820 A1Robert Bosch GmbH
- Folding or interfolding machine of sheets made of paper or similar material21 May 2026US 2026/0138845 A1Valmet Tissue Converting S.p.A.
- Method and system for monitoring the performance of a winding spool in the reel section of a paper machine9 Oct 2025US 2025/0313423 A1Valmet Corporation
- Roll-to-roll manufacturing method of electrodes for secondary batteries9 Oct 2025US 2025/0316677 A1SK On Co., Ltd.
- Paper sheet handling apparatus and foreign substance detection method4 Sep 2025US 2025/0277771 A1Fujitsu Frontech Limited
Most cited
By later US patents
- System and method for identifying and exploiting quality information associated with a web converting manufacturing process65US 6,820,022 B2Kimberly-Clark Worldwide, Inc. · 2004
- Multi-roller registered repeat defect detection of a web process line33US 7,797,133 B23M Innovative Properties Company · 2010
- Linear integrating cavity light source for infra-red illumination of sensitized media22US 5,548,120 AEastman Kodak Company · 1996
- Apparatus for manipulating finished reproductions in copying machines10US 3,966,194 AAgfa-Gevaert · 1976
- Method and apparatus for on-line log diameter measurement and closed-loop control10US 7,079,263 B2Kimberly-Clark Worldwide, Inc. · 2006