B41F 33/04
Tripping devices or stop-motions
Official title: Tripping devices or stop-motions ({tripping devices for doctor blades B41F9/1027} ; cylinder-tripping devices of rotary presses or machines B41F13/24; arrangements for tripping inking rollers B41F31/30)
B41F33/04 (Tripping devices or stop-motions) appears on 191 US grants and 171 published applications in this corpus.
Search patents in B41F- Granted patents
- 191
- Published applications
- 171
- Assignees
- 93
- Inventors
- 451
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 4 |
| 2002 | 1 | 7 |
| 2003 | 8 | 8 |
| 2004 | 10 | 1 |
| 2005 | 5 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 12 |
| 2008 | 4 | 8 |
| 2009 | 1 | 12 |
| 2010 | 4 | 14 |
| 2011 | 5 | 7 |
| 2012 | 7 | 5 |
| 2013 | 1 | 8 |
| 2014 | 7 | 9 |
| 2015 | 12 | 11 |
| 2016 | 11 | 7 |
| 2017 | 7 | 6 |
| 2018 | 6 | 6 |
| 2019 | 3 | 5 |
| 2020 | 6 | 4 |
| 2021 | 4 | 5 |
| 2022 | 5 | 12 |
| 2023 | 4 | 2 |
| 2024 | 5 | 4 |
| 2025 | 0 | 5 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B41F 33/14Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or75
- B41F 33/10For starting or stopping operation of damping or inking units41
- B41F 33/08For starting or stopping operation of cylinders36
- B41F 33/12For starting or stopping the machine as a whole30
- B41F 33/06For starting or stopping operation of sheet or web feed27
- B41F 33/045For starting or stopping operation of numbering devices12
Recent patents
- Printing system8 Sep 2026US 12,728,632 B2Fuji Corporation
- Converting machine with inversion transfer module1 Sep 2026US 12,722,924 B2Bobst Lyon
- Inversion transfer module for a converting machine28 Apr 2026US 12,612,273 B2Bobst Lyon
- Foil transfer film cartridge and foil transfer device17 Mar 2026US 12,577,070 B2Brother Kogyo Kabushiki Kaisha
- Printing cylinder assembly6 Jan 2026US 12,516,998 B2Matthews International Corporation
- Method for correcting a registration during processing of a web of printing substrate17 Sep 2026US 2026/0273917 A1Heidelberger Druckmaschinen AG
- Printing unit and method to change printing rollers in a printing unit13 Aug 2026US 2026/0233510 A1Bobst Firenze S.R.L.
- Printing unit with positioning system23 Jul 2026US 2026/0208477 A1Bobst Lyon
- Method for changing a processing job carried out on a processing machine23 Apr 2026US 2026/0111009 A1Koenig & Bauer Aktiengesellschaft
- Cylinder Assembly2 Apr 2026US 2026/0092652 A1Matthews International Corporation
Most cited
By later US patents
- Sheet sensing device in a rotary printing press44US 4,127,265 AHeidelberger Druckmaschinen AG · 1978
- Electronic multimachine operating system for remotely controlling printing machines26US 4,955,290 AHeidelberger Druckmaschinen AG · 1990
- Process for operating a printing press26US 5,447,102 AHeidelberger Druckmaschinen AG · 1995
- Apparatus and method for controlling a plurality of continuous paper printing machines connected to each other23US 4,898,094 ARyobi Ltd. · 1990
- Throw-on/throw-off device for a blanket cylinder with a printing speed dependent control system for a sheet-fed offset press23US 5,272,975 AMAN Roland Druckmaschinen AG · 1993