John O. Hallquist
20Patents
4h-index
7Co-inventors
52Inventor score
Filing activity: Feb 19, 2004 → Jun 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8069017B2 | Method of initializing bolt pretension in a finite element analysis | Physics | 80 | Active |
| US7640146B2 | Method and system for modeling spot welds in a finite element analysis | Physics | 6 | Active |
| US7308387B1 | Method and system for numerically simulating foam-like material in finite element analysis | Physics | 6 | Expired |
| US8855977B2 | Numerically simulating structural behaviors of a product using explicit finite element analysis with a combined technique of mass scaling and subcycling | Physics | 5 | Active |
| US7664623B1 | Efficient simulation of manufacturing process of shapeable material using finite element analysis | Emerging Cross-Sectional Technologies | 3 | Active |
| US7386428B1 | Method and system for guided cable contact in finite element analysis | Physics | 3 | Active |
| US8494819B2 | Efficient data management for shell finite elements representing layered composite materials | Physics | 3 | Active |
| US7472602B1 | Determination of elastomer material properties for the Mullins effect using a bi-axial test device | Physics | 3 | Active |
| US8209157B2 | Methods and systems for simulating beam-to-surface contacts in finite element analysis | Physics | 3 | Active |
| US7533577B1 | Determination of elastomer material properties for the Mullins effect using a bi-axial test device | Physics | 3 | Active |
| US8467997B2 | Numerically-simulated rigid body creation mehtods and systems thereof | Physics | 2 | Active |
| US7945432B2 | Spot weld failure determination method in a finite element analysis | Physics | 2 | Active |
| US8296109B2 | Methods and systems for enabling simulation of aging effect of a chrono-rheological material in computer aided engineering analysis | Physics | 2 | Active |
| US8200458B2 | Creation of simulated disjoint rigid bodies in a finite element analysis | Physics | 1 | Active |
| US8050897B2 | Solid finite elements suitable for simulating large deformations and/or rotations of a structure | Physics | 1 | Active |
| US8855976B2 | Numerically simulating structural behaviors of a product using explicit finite element analysis with a mass scaling enhanced subcycling technique | Physics | 1 | Active |
| US9098657B2 | Contact surface definition creation involving low order and quadratic finite elements in a numerical simulation of an impact event | Physics | 0 | Active |
| US10452796B2 | Dynamically-positioned search domain used in numerical simulation of an impact event between two objects | Physics | 0 | Active |
| US9292632B2 | Methods and systems for providing detailed rigid wall force summary in a time-marching simulation of a vehicle colliding with a rigid wall | Physics | 0 | Active |
| US9607115B2 | Methods and systems for reporting realistic kinetic energy of a multi-part finite element analysis model | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.