Inventor

Raphael J. Welsh

Inventor
Powell, OH, US

Overview

18→
Patents
2003–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 18 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials29%
H04KSecret communication20%
G08BSignalling systems, e.g. personal calling systems11%
H04BTransmission9%
A61JContainers specially adapted for medical or pharmaceutical purposes6%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G06KGraphical data reading6%
LOC226%
E21BEarth or rock drilling3%
G01SRadio direction-finding3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2011Patents assigned to RAYTHEON CO (3)· patent assignee history
2003–2005Based in Pasadena, MD, US· patent location history
2011–2018Patents assigned to WELSH RAPHAEL J (2)· patent assignee history
2011–2021Based in Powell, OH, US· patent location history
2018–2021Patents assigned to BATTELLE MEMORIAL INSTITUTE (11)· patent assignee history
2018Based in Columbus, OH, US· patent location history
2020–2021Patents assigned to DEDRONE HOLDINGS INC (6)· patent assignee history
2021Patents assigned to DEDRONE DEFENSE INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BATTELLE MEMORIAL INSTITUTE112018–2021
DEDRONE HOLDINGS INC62020–2021
RAYTHEON CO32003–2011
WELSH RAPHAEL Jself22011–2018
DEDRONE DEFENSE INC12021
Locations
LocationPatentsSpan
Powell, OH, US152011–2021
Pasadena, Maryland, US22003–2005
Columbus, OH, US12018