G04B 19/20
Indicating by numbered bands, drums, discs, or sheets
Official title: Indicating by numbered bands, drums, discs, or sheets {(indicating means without numbers or hands in general G04B19/04; illuminated G04B19/30; with optical projection G04B19/34; gearwork and linking in general G04B13/00; electrically driven G04C19/04; counter mechanisms G06M)}
G04B19/20 (Indicating by numbered bands, drums, discs, or sheets) appears on 141 US grants and 98 published applications in this corpus.
Search patents in G04B- Granted patents
- 141
- Published applications
- 98
- Assignees
- 78
- Inventors
- 227
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 12 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 2 | 5 |
| 2009 | 2 | 5 |
| 2010 | 5 | 2 |
| 2011 | 3 | 3 |
| 2012 | 1 | 2 |
| 2013 | 4 | 5 |
| 2014 | 4 | 2 |
| 2015 | 3 | 2 |
| 2016 | 6 | 3 |
| 2017 | 4 | 5 |
| 2018 | 3 | 3 |
| 2019 | 3 | 9 |
| 2020 | 2 | 5 |
| 2021 | 6 | 7 |
| 2022 | 4 | 6 |
| 2023 | 4 | 3 |
| 2024 | 5 | 4 |
| 2025 | 9 | 11 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inner roller, time display structure and timepiece18 Aug 2026US 12,710,726 B2
- Information display mechanism, timepiece movement, and timepiece14 Apr 2026US 12,602,010 B2Seiko Watch Kabushiki Kaisha
- Horological display mechanism with separate displays4 Nov 2025US 12,461,490 B2Harry Winston SA
- Horological display mechanism with separate displays4 Nov 2025US 12,461,491 B2Harry Winston SA
- Mechanical movement comprising an information display device30 Sep 2025US 12,429,822 B2Manufacture D'Horlogerie Audemars Piguet SA
- Timepiece comprising a mechanism for displaying successive hours in a display zone6 Aug 2026US 2026/0227742 A1Manufacture D'Horlogerie Audemars Piguet SA
- Dial module and instrument equipped therewith16 Jul 2026US 2026/0202797 A1
- Assembly of two micromechanical parts11 Jun 2026US 2026/0161134 A1ETA SA Manufacture Horlogere Suisse
- Watch comprising a horology movement comprising a moon phase display device and an earth phase display device2 Apr 2026US 2026/0093209 A1ETA SA Manufacture Horlogere Suisse
- Moon phase and earth phase display device for a horological movement11 Dec 2025US 2025/0377633 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Watch assembly having a plurality of time-coordinated belts47US 8,355,297 B2Devon Works, LLC · 2013
- Digital display with stepping device45US 3,950,939 ADiehl GmbH & Co. · 1976
- Watch assembly having a plurality of time-coordinated belts39US 8,693,293 B2Devon Works, LLC · 2014
- Time indicating device30US 3,956,879 A1976
- Analog-display timepiece20US 4,362,397 A1982