B28B 7/30
Adjustable, collapsible, or expanding
Official title: adjustable, collapsible, or expanding {(for making tubular objects B28B21/88)}
B28B7/30 (Adjustable, collapsible, or expanding) appears on 120 US grants and 100 published applications in this corpus.
Search patents in B28B- Granted patents
- 120
- Published applications
- 100
- Assignees
- 82
- Inventors
- 204
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 3 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 3 | 5 |
| 2011 | 3 | 3 |
| 2012 | 2 | 5 |
| 2013 | 1 | 10 |
| 2014 | 7 | 2 |
| 2015 | 3 | 7 |
| 2016 | 4 | 4 |
| 2017 | 6 | 4 |
| 2018 | 6 | 5 |
| 2019 | 4 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 6 |
| 2022 | 3 | 4 |
| 2023 | 2 | 3 |
| 2024 | 5 | 6 |
| 2025 | 5 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Airforming constructive system29 Sep 2026US 12,746,707 B2
- Multi-piece mandrel for building up airfoil structure18 Aug 2026US 12,709,985 B2Rtx Corporation
- Systems and methods for manufacturing in-situ hollow core / hollow core analogue slabs, walls, and columns4 Aug 2026US 12,697,751 B2
- Methods for complex geometry mandrel removal of ceramic matrix composite components20 Jan 2026US 12,528,228 B2Rtx Corporation
- Seamless form system for stacked pottery forms28 Oct 2025US 12,454,074 B2The Pottery Toolkit LLC.
- Multi-level segmented mandrel system and method for composite shapes with negative draft1 Oct 2026US 2026/0295900 A1Rtx Corporation
- Cavity consolidation apparatus27 Aug 2026US 2026/0250210 A1General Electric Company
- Printable concrete structure mold for concrete structures16 Apr 2026US 2026/0102942 A11Print LLC
- Mold part for manufacturing toothed vertical joints of keystones and mold comprising the mold part12 Mar 2026US 2026/0070258 A1Nordex Energy Spain, S.A.U.
- Method and Apparatus for Enhanced Molding of Pre-Cast Structural Components5 Feb 2026US 2026/0034708 A1
Most cited
By later US patents
- Biaxial concrete masonry casting apparatus122US 4,909,717 ANational Concrete Masonry Association · 1990
- Reef ball53US 5,564,369 A1996
- Arthroscopic devices and methods35US 9,855,675 B1RELIGN Corporation · 2018
- Lined manhole assembly and liner32US 5,303,518 AStrickland Industries, Inc. · 1994
- Lined structure and liner30US 5,383,311 AStrickland Industries, Inc. · 1995