G04B 37/02
Evacuated cases
Official title: Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust
G04B37/02 (Evacuated cases) appears on 46 US grants and 46 published applications in this corpus.
Search patents in G04B- Granted patents
- 46
- Published applications
- 46
- Assignees
- 18
- Inventors
- 75
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 5 |
| 2012 | 4 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 8 |
| 2023 | 1 | 6 |
| 2024 | 6 | 5 |
| 2025 | 5 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compensation of rate variation in a watch29 Sep 2026US 12,748,380 B2Omega SA
- Dewar device for watch11 Aug 2026US 12,704,815 B2Omega SA
- Isothermal device for watch28 Jul 2026US 12,693,631 B2Omega SA
- Timepiece with quartz movement in oil bath16 Dec 2025US 12,498,673 B2Hi-Tek Office S.R.L.
- Device comprising decorative objects having restrained freedom to move and suspended in fluid14 Oct 2025US 12,440,007 B2
- Watch bezel with cavity for containing a fluid25 Jun 2026US 2026/0177987 A1The Swatch Group Research and Development Ltd
- Device comprising decorative objects having restrained freedom to move and suspended in fluid21 May 2026US 2026/0137177 A1Preciflex SA
- Watch comprising a humidity regulation device inside its case26 Mar 2026US 2026/0086504 A1The Swatch Group Research and Development Ltd
- Magnetic control and/or drive mechanism through a watch case17 Apr 2025US 2025/0123593 A1The Swatch Group Research and Development Ltd
- Timepiece comprising a protective glass with an anti-fogging device16 Jan 2025US 2025/0021054 A1The Swatch Group Research and Development Ltd
Most cited
By later US patents
- Rotating timepiece dial face construction with included movable decorative objects81US 5,077,709 A1991
- Wrist watch40US 4,417,821 ARodi & Wienenberger AG · 1983
- Method and apparatus for preventing waterdrops inside a sealed instrument25US 3,932,944 A1976
- Timepiece glass assembly and a timepiece14US 4,945,523 A1990
- Fluid filled watch apparatus9US 5,305,292 A1994