Inventor · disambiguated record
Marcos A. Underwood
Also filed as: UNDERWOOD MARCOS · UNDERWOOD MARCOS A
8 granted patents·1 pending application·110 citations·filing 1987–2023
86Inventor score
Top patents by PatentIndex Score
9 records- 0179US9109972B2Direct field acoustic testing system and methodLARKIN PAUL ALAN·Filed 2011·Granted Aug 18, 2015·8 cites·28 claims
- 0279US4782324ADigital signal synthesizerGENRAD INC·Filed 1987·Granted Nov 1, 1988·30 cites·22 claims
- 0371US2023358632A1High intensity vibration testing using an empirically modified reference specification and method thereofUNDERWOOD MARCOS·Filed 2023·Application pending·0 cites
- 0468US5299459AAdaptive control method for multiexciter sine testsUNDERWOOD MARCOS A·Filed 1990·Granted Apr 5, 1994·33 cites·20 claims
- 0567US10295434B2Direct field acoustic testing system, controls, and methodUNDERWOOD MARCOS A·Filed 2011·Granted May 21, 2019·2 cites·20 claims
- 0663US12411056B2High output acoustic system for direct field acoustic testingMSI DFAT LLC·Filed 2021·Granted Sep 9, 2025·0 cites·21 claims
- 0759US11703415B2High intensity vibration testing using an empirically modified reference specification and method thereofUNDERWOOD MARCOS·Filed 2020·Granted Jul 18, 2023·0 cites·7 claims
- 0858US4937535ACalibration method and programmable phase-gain amplifierGENRAD INC·Filed 1988·Granted Jun 26, 1990·21 cites·24 claims
- 0947US5517426AApparatus and method for adaptive closed loop control of shock testing systemFiled 1995·Granted May 14, 1996·16 cites·36 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →