B29C 66/52241
With two right angles
Official title: {with two right angles, e.g. for making T-shaped pieces}
B29C66/52241 (With two right angles) appears on 238 US grants and 117 published applications in this corpus.
Search patents in B29C- Granted patents
- 238
- Published applications
- 117
- Assignees
- 161
- Inventors
- 402
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 4 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 0 | 5 |
| 2010 | 2 | 10 |
| 2011 | 0 | 3 |
| 2012 | 3 | 8 |
| 2013 | 9 | 8 |
| 2014 | 2 | 7 |
| 2015 | 1 | 5 |
| 2016 | 3 | 10 |
| 2017 | 6 | 8 |
| 2018 | 9 | 7 |
| 2019 | 10 | 9 |
| 2020 | 8 | 5 |
| 2021 | 4 | 4 |
| 2022 | 5 | 4 |
| 2023 | 3 | 2 |
| 2024 | 4 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nasal/oral cannula system and manufacturing28 Apr 2026US 12,611,117 B2Masimo Corporation
- Fitting holder10 Feb 2026US 12,544,864 B2Georg Fischer Rohrleitungssysteme AG
- Tubing coupler moldings and systems, and associated methods1 Jul 2025US 12,343,912 B2Repligen Corporation
- Corrosion-free welded connection for reinforced thermoplastic pipes (RTP)15 Apr 2025US 12,276,358 B2Saudi Arabian Oil Company
- Pipe processing apparatus, particularly for forming branches on pipes made of thermoplastic material29 Oct 2024US 12,129,953 B2Ritmo S.P.A.
- Nasal/oral cannula system and manufacturing8 Oct 2026US 2026/0305976 A1Masimo Sweden AB
- Double pipe fitting23 Jul 2026US 2026/0210469 A1Georg Ficher Rohrleitungssysteme AG
- Fiber reinforced laminate pipe joint insert6 Nov 2025US 2025/0341268 A1Grant Prideco, L.P.
- Method and apparatus for bonding reinforced hdpe pipes6 Mar 2025US 2025/0074010 A1
- Self Restraining Electrofusion Fitting28 Nov 2024US 2024/0392908 A1Georg Fischer Central Plastics LLC
Most cited
By later US patents
- Nasal/oral cannula system and manufacturing493US 10,441,196 B2Masimo Corporation · 2019
- Double wall piping system99US 4,932,257 A1990
- Plumbing and heating pipe system for water supply purposes, made either completely or mainly of plastic material, especially of polypropylene81US 5,286,001 AKarl Rafeld KG Spritzgusswerk, Elektronik und Formenbau · 1994
- Tongue and groove snap-fit pipe coupling70US 5,007,666 AC & L Development Inc. · 1991
- System and method for joining plastic materials70US 5,352,871 A1994