G06F 40/253
Grammatical analysis
Official title: Grammatical analysis; Style critique
G06F40/253 (Grammatical analysis) appears on 2,070 US grants and 2,319 published applications in this corpus.
Search patents in G06F- Granted patents
- 2,070
- Published applications
- 2,319
- Assignees
- 775
- Inventors
- 5,374
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 16 | 0 |
| 1993 | 14 | 0 |
| 1994 | 29 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 16 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 3 |
| 2002 | 12 | 17 |
| 2003 | 5 | 15 |
| 2004 | 9 | 27 |
| 2005 | 9 | 13 |
| 2006 | 16 | 22 |
| 2007 | 14 | 16 |
| 2008 | 11 | 11 |
| 2009 | 12 | 19 |
| 2010 | 18 | 19 |
| 2011 | 15 | 23 |
| 2012 | 21 | 30 |
| 2013 | 21 | 41 |
| 2014 | 33 | 73 |
| 2015 | 44 | 86 |
| 2016 | 92 | 96 |
| 2017 | 118 | 171 |
| 2018 | 88 | 153 |
| 2019 | 158 | 170 |
| 2020 | 194 | 214 |
| 2021 | 193 | 241 |
| 2022 | 202 | 195 |
| 2023 | 207 | 181 |
| 2024 | 167 | 157 |
| 2025 | 141 | 133 |
| 2026 | 92 | 193 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Concept-based search and retrieval system947US 6,675,159 B12004
- Computerized cross-language document retrieval using latent semantic indexing688US 5,301,109 ABell Communications Research, Inc. · 1994
- Natural language analyzing apparatus and method654US 5,386,556 AInternational Business Machines Corporation · 1995
- Document information retrieval using global word co-occurrence patterns644US 5,675,819 AXerox Corporation · 1997
- Ontology-based parser for natural language processing610US 7,027,974 B1Science Applications International Corporation · 2006