B28D 1/006
Artificial ageing of stones
Official title: {Artificial ageing of stones; Providing stones with an antique appearance}
B28D1/006 (Artificial ageing of stones) appears on 50 US grants and 70 published applications in this corpus.
Search patents in B28D- Granted patents
- 50
- Published applications
- 70
- Assignees
- 21
- Inventors
- 67
- Latest grant
- 9 May 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 3 | 6 |
| 2004 | 4 | 8 |
| 2005 | 5 | 7 |
| 2006 | 7 | 10 |
| 2007 | 2 | 6 |
| 2008 | 2 | 9 |
| 2009 | 2 | 1 |
| 2010 | 3 | 1 |
| 2011 | 6 | 6 |
| 2012 | 4 | 2 |
| 2013 | 1 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Block splitter assembly and method of producing wall blocks9 May 2017US 9,643,337 B2Keystone Retaining Wall Systems, Inc.
- Block splitting assembly and method21 Feb 2017US 9,573,293 B2Anchor Wall Systems, Inc.
- Apparatus for artificially aging pre-cast blocks16 Feb 2016US 9,259,854 B2Rinox Inc.
- Block splitting assembly and method11 Aug 2015US 9,102,079 B2Anchor Wall Systems, Inc.
- Device and method for artificial aging of stones23 Jun 2015US 9,061,438 B2Baustoffwerke Gebhart & Soehne GmbH & Co. KG
- Apparatus and method for artificially ageing blocks28 May 2026US 2026/0145363 A1
- An Engraving Machine and Method for Engraving Building Material Articles, Preferably Slabs25 Mar 2021US 2021/0086327 A1SCG Building Materials Company Limited
- Device and method for artificially ageing stones8 Sep 2016US 2016/0257025 A1Baustoffwerke Gebhart & Soehne GmbH & Co. KG
- Device and method for artificial aging of stones11 Sep 2014US 2014/0251297 A1Baustoffwerke Gebhart & Sohne GmbH & Co. KG
- Block splitter assembly and method of producing wall blocks3 Apr 2014US 2014/0090632 A1Keystone Retaining Wall Systems, Inc.
Most cited
By later US patents
- Set of paving stones, particularly set of concrete paving stones59US 4,792,257 AHans Rinninger u. Sohn GmbH u. Co. · 1988
- Stone bevelling machine44US 5,779,527 AMaehashi Industries Co., Ltd. · 1998
- Block splitting assembly and method38US 6,886,551 B2Anchor Wall Systems, Inc. · 2005
- Block splitting assembly and method34US 6,918,715 B2Anchor Wall Systems, Inc. · 2005
- Method for making and treating wall blocks33US 6,803,002 B2Keystone Retaining Wall Systems, Inc. · 2004