G06F 2111/04
Constraint-based cad
Official title: Constraint-based CAD
G06F2111/04 (Constraint-based cad) appears on 1,462 US grants and 1,662 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,462
- Published applications
- 1,662
- Assignees
- 612
- Inventors
- 3,925
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 0 |
| 2002 | 8 | 13 |
| 2003 | 5 | 20 |
| 2004 | 5 | 16 |
| 2005 | 10 | 19 |
| 2006 | 19 | 22 |
| 2007 | 15 | 20 |
| 2008 | 17 | 26 |
| 2009 | 9 | 25 |
| 2010 | 15 | 30 |
| 2011 | 18 | 29 |
| 2012 | 29 | 44 |
| 2013 | 47 | 49 |
| 2014 | 59 | 81 |
| 2015 | 64 | 121 |
| 2016 | 91 | 73 |
| 2017 | 103 | 103 |
| 2018 | 88 | 93 |
| 2019 | 161 | 111 |
| 2020 | 140 | 97 |
| 2021 | 108 | 183 |
| 2022 | 98 | 131 |
| 2023 | 117 | 93 |
| 2024 | 89 | 93 |
| 2025 | 69 | 86 |
| 2026 | 34 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Determining a 3D modeled object deformation29 Sep 2026US 12,748,901 B2Dassault Systemes
- Internal generation of contact entities to model contact behavior in simulations involving non-circular beam elements1 Sep 2026US 12,724,936 B2Dassault Systemes Americas Corp.
- Method of designing single-channel pump and single-channel pump25 Aug 2026US 12,716,425 B2Korea Institute of Industrial Technology
- Using machine vision to solve industrial Boolean satisfiability (SAT) problems18 Aug 2026US 12,711,295 B2HRL Laboratories, LLC
- Method and system for use with an electronic design automation (EDA) tool to optimize clock scheduling18 Aug 2026US 12,711,300 B2Texas Instruments Incorporated
- Modular design method for active phased array transmitting antenna for microwave wireless power transmission8 Oct 2026US 2026/0310846 A1Xidian University
- Dummy fill layout optimization method and system8 Oct 2026US 2026/0310873 A1Samsung Electronics Co., Ltd.
- Methods, controllers, and machine-readable storage media for automated commissioning of equipment8 Oct 2026US 2026/0313820 A1PassiveLogic, Inc.
- Systems and methods for constraining additive manufacturing by use of predictive modeling techniques1 Oct 2026US 2026/0300577 A1Vixiv, Inc.
- System, Method, and Computer Program Product for Two-Stage Robust Optimization With Decision Dependent Uncertainty1 Oct 2026US 2026/0300582 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
Most cited
By later US patents
- System and method for indicating the presence or physical location of persons or devices in a site specific representation of a physical environment455US 7,295,119 B2Wireless Valley Communications, Inc. · 2007
- Method and apparatus for improving building energy simulations296US 6,134,511 A2000
- System for animating program operation and displaying time-based relationships216US 4,821,220 ATektronix, Inc. · 1989
- Method and apparatus for configuring systems200US 5,708,798 ATrilogy Development Group, Inc. · 1998
- Method and apparatus for configuring systems188US 5,515,524 ATrilogy Development Group, Inc. · 1996