G04B
Mechanically-driven clocks or watches
Official title: MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS (spring- or weight-driven mechanisms in general F03G; electromechanical clocks or watches G04C; electromechanical clocks with attached or built-in means operating any device at pre-selected times or after predetermined time intervals G04C23/00; clocks or watches with stop devices G04F7/08)
G04B (Mechanically-driven clocks or watches) appears on 5,924 US grants and 5,191 published applications in this corpus.
Search patents in G04B- Granted patents
- 5,924
- Published applications
- 5,191
- Assignees
- 1,185
- Inventors
- 6,570
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 88 | 0 |
| 1977 | 71 | 0 |
| 1978 | 85 | 0 |
| 1979 | 52 | 0 |
| 1980 | 81 | 0 |
| 1981 | 73 | 0 |
| 1982 | 50 | 0 |
| 1983 | 66 | 0 |
| 1984 | 79 | 0 |
| 1985 | 71 | 0 |
| 1986 | 43 | 0 |
| 1987 | 80 | 0 |
| 1988 | 73 | 0 |
| 1989 | 71 | 0 |
| 1990 | 64 | 0 |
| 1991 | 72 | 0 |
| 1992 | 61 | 0 |
| 1993 | 68 | 0 |
| 1994 | 72 | 0 |
| 1995 | 44 | 0 |
| 1996 | 56 | 0 |
| 1997 | 78 | 0 |
| 1998 | 77 | 0 |
| 1999 | 73 | 0 |
| 2000 | 86 | 0 |
| 2001 | 92 | 29 |
| 2002 | 74 | 68 |
| 2003 | 81 | 98 |
| 2004 | 94 | 103 |
| 2005 | 60 | 125 |
| 2006 | 91 | 150 |
| 2007 | 96 | 136 |
| 2008 | 103 | 145 |
| 2009 | 93 | 121 |
| 2010 | 97 | 126 |
| 2011 | 89 | 155 |
| 2012 | 99 | 164 |
| 2013 | 151 | 179 |
| 2014 | 181 | 198 |
| 2015 | 208 | 257 |
| 2016 | 240 | 284 |
| 2017 | 227 | 321 |
| 2018 | 218 | 306 |
| 2019 | 258 | 361 |
| 2020 | 204 | 301 |
| 2021 | 200 | 322 |
| 2022 | 251 | 281 |
| 2023 | 261 | 286 |
| 2024 | 301 | 239 |
| 2025 | 249 | 241 |
| 2026 | 172 | 195 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- G04B 19/00Indicating the time by visual means1,948
- G04B 37/00Cases1,707
- G04B 47/00Time-pieces combined with other articles which do not interfere with the running762
- G04B 17/00Mechanisms for stabilising frequency646
- G04B 45/00Time pieces of which the indicating means or cases provoke special effects549
- G04B 13/00Gearwork392
- G04B 15/00Escapements383
- G04B 27/00Mechanical devices for setting the time indicating means297
All 27 main groupsShow fewer
- G04B 3/00Normal winding of clockworks by hand or mechanically293
- G04B 39/00Watch crystals244
- G04B 1/00Driving mechanisms227
- G04B 31/00Bearings210
- G04B 23/00Arrangements producing acoustic signals at preselected times174
- G04B 29/00Frameworks160
- G04B 21/00Indicating the time by acoustic means155
- G04B 5/00Automatic winding up137
- G04B 18/00Mechanisms for setting frequency121
- G04B 43/00Protecting clockworks by shields or other means against external influences112
- G04B 11/00Click devices110
- G04B 25/00Indicating the time by other means or by combined means95
- G04B 49/00Time-pieces using the position of the sun, moon or stars69
- G04B 35/00Adjusting the gear train64
- G04B 33/00Calibers63
- G04B 9/00Supervision of the state of winding61
- G04B 99/00Subject matter not provided for in other groups of this subclass15
- G04B 7/00Combined normal and automatic winding up10
- G04B 41/00Locking or holding devices for pendulums, chimes, or the like, for use8
Recent patents
- Fastening member for attaching a bracelet to a watch case6 Oct 2026US 12,751,526 B2Manufacture D'Horlogerie Audemars Piguet SA
- Control member for controlling at least one function of a timepiece movement6 Oct 2026US 12,754,513 B2Manufacture D'Horlogerie Audemars Piguet SA
- Device for autonomously adjusting the active length of a balance spring6 Oct 2026US 12,754,514 B2The Swatch Group Research and Development Ltd
- Watch movement with device for setting the frequency of a mechanical resonator6 Oct 2026US 12,754,515 B2ETA SA Manufacture Horlogere Suisse
- Contrast adjustment system for a display device6 Oct 2026US 12,754,517 B2Omega SA
- Device with adjustable lateral stop for a horology movement8 Oct 2026US 2026/0310133 A1The Swatch Group Research and Development Ltd
- Zero-free mod time tracking system8 Oct 2026US 2026/0310136 A1
- Zero-free mod time tracking system8 Oct 2026US 2026/0310137 A1
- Arbor for a timepiece barrel1 Oct 2026US 2026/0299516 A1Rolex SA
- Power reserve indicator1 Oct 2026US 2026/0299517 A1Nivarox-FAR S. A.
Most cited
By later US patents
- Multi-color electrophoretic displays and materials for making the same695US 6,017,584 AE Ink Corporation · 2000
- Electronically addressable microencapsulated ink and display thereof597US 6,120,588 AE Ink Corporation · 2000
- Transducers and indicators having printed displays561US 6,118,426 AE Ink Corporation · 2000
- Electrophoretic displays using nanoparticles501US 6,323,989 B1E Ink Corporation · 2001
- Electro-osmotic displays and materials for making the same476US 6,120,839 AE Ink Corporation · 2000