B65H 2557/20
Calculating means
Official title: Calculating means; Controlling methods
B65H2557/20 (Calculating means) appears on 639 US grants and 571 published applications in this corpus.
Search patents in B65H- Granted patents
- 639
- Published applications
- 571
- Assignees
- 254
- Inventors
- 1,448
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 15 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 18 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 8 | 4 |
| 2002 | 10 | 15 |
| 2003 | 18 | 20 |
| 2004 | 23 | 24 |
| 2005 | 16 | 24 |
| 2006 | 17 | 17 |
| 2007 | 10 | 21 |
| 2008 | 13 | 17 |
| 2009 | 10 | 34 |
| 2010 | 27 | 28 |
| 2011 | 28 | 45 |
| 2012 | 21 | 30 |
| 2013 | 33 | 30 |
| 2014 | 49 | 39 |
| 2015 | 38 | 31 |
| 2016 | 24 | 18 |
| 2017 | 22 | 19 |
| 2018 | 19 | 13 |
| 2019 | 15 | 12 |
| 2020 | 10 | 17 |
| 2021 | 8 | 21 |
| 2022 | 17 | 16 |
| 2023 | 16 | 16 |
| 2024 | 15 | 29 |
| 2025 | 11 | 13 |
| 2026 | 19 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65H 2557/24Calculating methodsIndexing code284
- B65H 2557/23Recording or storing dataIndexing code195
- B65H 2557/264With key characteristics based on closed loop controlIndexing code86
- B65H 2557/25Modular control, i.e. systems which work independently or partially dependently on otherIndexing code20
- B65H 2557/262With key characteristics based on feed forward controlIndexing code17
- B65H 2557/22Fuzzy logicIndexing code15
- B65H 2557/266Characterised by function other than pid for the transformation of input valuesIndexing code6
- B65H 2557/26With key characteristics based on open loop controlIndexing code4
Recent patents
- Media conveying apparatus29 Sep 2026US 12,747,122 B2Pfu Limited
- Method and system for controlling tube orientation in a food packaging system15 Sep 2026US 12,735,218 B2Tetra Laval Holdings & Finance S. A.
- Meandering correction device for electrode and meandering correction method for electrode11 Aug 2026US 12,706,321 B2LG Energy Solution, Ltd.
- Image recording apparatus, control method of image recording apparatus, and non-transitory computer-readable storage medium28 Jul 2026US 12,692,109 B2Brother Kogyo Kabushiki Kaisha
- Method and apparatus for producing coreless roll products9 Jun 2026US 12,649,638 B2BW Converting, Inc.
- Feeder and feeder managing system8 Oct 2026US 2026/0307924 A1Fuji Corporation
- Process controller, roll map generating system including process controller, and roll map generating method using process controller10 Sep 2026US 2026/0265012 A1LG Energy Solution, Ltd.
- Food grade sheet stacker20 Aug 2026US 2026/0242172 A1Provisur Technologies, Inc.
- Food grade sheet stacker20 Aug 2026US 2026/0242173 A1Provisur Technologies, Inc.
- Liquid discharge head and liquid discharge apparatus20 Aug 2026US 2026/0242174 A1
Most cited
By later US patents
- Method and apparatus for controlling web tension by actively controlling velocity and acceleration of a dancer roll120US 6,314,333 B1Kimberly-Clark Worldwide, Inc. · 2001
- Method and system for registering pre-produced webs with variable pitch length119US 6,955,733 B2The Procter & Gamble Company · 2005
- Control device for controlling a controlled apparatus, and a control method therefor101US 5,430,642 AHitachi, Ltd. · 1995
- Controlling web tension by actively controlling velocity of dancer roll93US 5,659,229 AKimberly-Clark Worldwide, Inc. · 1997
- Color electrographic recording apparatus86US 4,569,584 AXerox Corporation · 1986