G06F 16/3338
Query expansion
Official title: {Query expansion}
G06F16/3338 (Query expansion) appears on 704 US grants and 846 published applications in this corpus.
Search patents in G06F- Granted patents
- 704
- Published applications
- 846
- Assignees
- 324
- Inventors
- 1,989
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 10 |
| 2003 | 6 | 13 |
| 2004 | 6 | 19 |
| 2005 | 3 | 22 |
| 2006 | 9 | 20 |
| 2007 | 6 | 35 |
| 2008 | 9 | 36 |
| 2009 | 21 | 54 |
| 2010 | 25 | 42 |
| 2011 | 29 | 34 |
| 2012 | 32 | 45 |
| 2013 | 44 | 58 |
| 2014 | 46 | 47 |
| 2015 | 58 | 54 |
| 2016 | 55 | 47 |
| 2017 | 35 | 41 |
| 2018 | 42 | 44 |
| 2019 | 43 | 43 |
| 2020 | 35 | 30 |
| 2021 | 36 | 21 |
| 2022 | 34 | 22 |
| 2023 | 30 | 29 |
| 2024 | 23 | 19 |
| 2025 | 30 | 33 |
| 2026 | 14 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic development of enhanced artificial prompts22 Sep 2026US 12,743,449 B1Kyndryl, Inc.
- System and methods for prospective legal research15 Sep 2026US 12,737,399 B2Thomson Reuters Enterprise Centre GmbH
- Sparse embedding index for search30 Jun 2026US 12,670,193 B2Adobe Inc.
- Query refinements using search data26 May 2026US 12,639,294 B1Google Inc.
- System and method for dynamic query management using meta-descriptions in a conversational search engine12 May 2026US 12,625,912 B2Amadeus S.A S.
- Multi-agent llm narrative generation architecture17 Sep 2026US 2026/0277965 A1
- Systems and methods for an artificial intelligence assistant27 Aug 2026US 2026/0252612 A1SuSea, Inc.
- Method for searching accessible resources on a data network27 Aug 2026US 2026/0252642 A1Qwant
- Automated taxomony extension13 Aug 2026US 2026/0236682 A1Pinterest, Inc.
- Generating query variants using a trained generative model23 Jul 2026US 2026/0211870 A1Google Inc.
Most cited
By later US patents
- Concept-based search and retrieval system947US 6,675,159 B12004
- Information retrieval by natural language querying847US 6,601,026 B2Discern Communications, Inc. · 2003
- Natural language understanding system822US 5,794,050 AIntelligent Text Processing, Inc. · 1998
- Multilingual document retrieval system and method using semantic vector matching787US 6,006,221 ASyracuse University · 1999
- Natural language information retrieval system and method672US 6,081,774 ANovell, Inc. · 2000