G02B 7/001
Counterbalanced structures
Official title: {Counterbalanced structures, e.g. surgical microscopes}
G02B7/001 (Counterbalanced structures) appears on 211 US grants and 201 published applications in this corpus.
Search patents in G02B- Granted patents
- 211
- Published applications
- 201
- Assignees
- 77
- Inventors
- 315
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 13 |
| 2003 | 9 | 9 |
| 2004 | 5 | 13 |
| 2005 | 4 | 12 |
| 2006 | 6 | 5 |
| 2007 | 9 | 4 |
| 2008 | 3 | 6 |
| 2009 | 4 | 6 |
| 2010 | 5 | 4 |
| 2011 | 2 | 11 |
| 2012 | 5 | 4 |
| 2013 | 9 | 7 |
| 2014 | 6 | 2 |
| 2015 | 4 | 4 |
| 2016 | 6 | 11 |
| 2017 | 2 | 17 |
| 2018 | 12 | 16 |
| 2019 | 11 | 12 |
| 2020 | 12 | 8 |
| 2021 | 9 | 11 |
| 2022 | 10 | 6 |
| 2023 | 5 | 6 |
| 2024 | 8 | 6 |
| 2025 | 1 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Head-mounted display device, scientific or surgical imaging system and method16 Jun 2026US 12,656,618 B2Leica Instruments (Singapore) Pte. Ltd.
- Surgical microscope17 Mar 2026US 12,575,908 B2Dal Pont Medical S.r.l.s.
- Method for operating a surgical microscope, and surgical microscope11 Nov 2025US 12,465,451 B2Carl Zeiss Meditec AG
- Surgical microscope system and corresponding apparatus, method and computer program3 Dec 2024US 12,156,769 B2Leica Instruments (Singapore) Pte. Ltd.
- Clinical intravital microscope5 Nov 2024US 12,133,713 B2Health Research, Inc.
- Medical microscope and microscope system23 Apr 2026US 2026/0110892 A1Jadent GmbH
- Medical microscope and microscope system19 Mar 2026US 2026/0076764 A1Jadent GmbH
- Method for operating a surgical microscope, and surgical microscope12 Feb 2026US 2026/0041518 A1Carl Zeiss Meditec AG
- Binocular tube and stereoscopic optical observation apparatus29 Jan 2026US 2026/0029612 A1Carl Zeiss Meditec AG
- Housing for a Microscope, Microscope and Optical Imaging System11 Dec 2025US 2025/0377531 A1
Most cited
By later US patents
- Methods for compact counter balance arms278US 8,500,722 B2Intuitive Surgical Operations, Inc. · 2013
- Holding arrangement having an apparatus for balancing a load torque106US 7,109,678 B2Carl-Zeiss-Stiftung · 2006
- Image-erecting barrel rotator for articulated optical arm105US 4,517,963 A1985
- Surgical microscope apparatus101US 6,398,721 B1Olympus Optical Co., Ltd. · 2002
- Surgical microscope and stand assembly87US 6,471,165 B2Moller-Wedel GmbH · 2002