C03B 37/01225
Means for changing or stabilising the shape
Official title: {Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing}
C03B37/01225 (Means for changing or stabilising the shape) appears on 465 US grants and 499 published applications in this corpus.
Search patents in C03B- Granted patents
- 465
- Published applications
- 499
- Assignees
- 179
- Inventors
- 1,038
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 10 | 9 |
| 2002 | 23 | 38 |
| 2003 | 23 | 21 |
| 2004 | 18 | 41 |
| 2005 | 18 | 28 |
| 2006 | 19 | 26 |
| 2007 | 7 | 15 |
| 2008 | 9 | 12 |
| 2009 | 9 | 11 |
| 2010 | 16 | 12 |
| 2011 | 13 | 13 |
| 2012 | 9 | 21 |
| 2013 | 6 | 17 |
| 2014 | 9 | 12 |
| 2015 | 14 | 20 |
| 2016 | 20 | 13 |
| 2017 | 14 | 20 |
| 2018 | 13 | 14 |
| 2019 | 12 | 13 |
| 2020 | 10 | 26 |
| 2021 | 9 | 12 |
| 2022 | 16 | 26 |
| 2023 | 20 | 21 |
| 2024 | 13 | 19 |
| 2025 | 21 | 23 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C03B 37/01228Removal of preform material193
- C03B 37/0124Means for reducing the diameter of rods or tubes by drawing191
- C03B 37/01248By collapsing without drawing90
- C03B 37/0126Means for supporting, rotating, translating the rod, tube or preform62
- C03B 37/01257Heating devices therefor52
- C03B 37/01251Reshaping the ends19
- C03B 37/01254By expanding radially11
Recent patents
- Process of making multi-core fiber preform by integrating core rods and cladding cylinder15 Sep 2026US 12,735,344 B2Heraeus Quartz North America LLC
- Multicore optical fiber18 Aug 2026US 12,710,583 B2Sumitomo Electric Industries, Ltd.
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method11 Aug 2026US 12,704,672 B2Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making12 May 2026US 12,623,947 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Optical fiber glass preform and method for drawing optical fiber glass preform12 May 2026US 12,623,948 B2Shin-Etsu Chemical Co., Ltd.
- Method of manufacturing an optical fiber preform using air flow to remove debris generated during laser welding and system for performing the method1 Oct 2026US 2026/0296947 A1Corning Incorporated
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Anti-resonant hollow core optical fiber with contacting cladding elements with multiply nested capillaries27 Aug 2026US 2026/0251841 A1Corning Incorporated
- Methods of Pedestal Shaping in Optical Fibers and Related Structures30 Jul 2026US 2026/0217589 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Method of Preparation of a Multicore Fiber Preform18 Jun 2026US 2026/0167550 A1Heraeus Quartz North America LLC
Most cited
By later US patents
- Ultra high numerical aperture optical fibers242US 7,715,672 B2Imra America, Inc. · 2010
- Cladding-pumped fiber structure101US 5,966,491 ALucent Technologies Inc. · 1999
- High-strength optical preforms and fibers with thin, high-compression outer layers71US 4,243,298 AInternational Telephone and Telegraph Corporation · 1981
- Microstructured optical fiber with improved transmission efficiency and durability63US 6,418,258 B1Gazillion Bits, Inc. · 2002
- Waveguides having axially varying structure57US 6,795,635 B1Corning Incorporated · 2004