LexDanaLexDanabeta
Inventor

Janice S. Mathew

Inventor
Houston, TX, US

Overview

3→
Patents
2017–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling50%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
H04SStereophonic systems25%
PatentTitleYear
11,122,383Near-field audio rendering20219,896,925'Systems and methods for alerting of abnormal drilling conditions'20189,670,767'Apparatus, system and methods for alerting of abnormal drilling conditions'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2018Patents assigned to CHEVRON USA INC (2)· patent assignee history
2017Patents assigned to GOMEZ TONY (1)· patent assignee history
2017Patents assigned to HERNANDEZ CARLOS A (1)· patent assignee history
2017Patents assigned to JOHNSTON RAY E (1)· patent assignee history
2017–2018Based in Houston, TX, US· patent location history
2021Patents assigned to MAGIC LEAP INC (1)· patent assignee history
2021Based in Fort Lauderdale, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON USA INC22017–2018
GOMEZ TONY12017
HERNANDEZ CARLOS A12017
JOHNSTON RAY E12017
MAGIC LEAP INC12021
Locations
LocationPatentsSpan
Houston, Texas, US22017–2018
Fort Lauderdale, Florida, US12021