Inventor

Evan Ballard

Inventor

Noblesville, IN, US

Overview

2→

Patents

1984–2021

Patent span

Physics

Primary field (CPC G)

Patents· 2 as inventor

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

E05Bprimary

E05BLocks11%

E05CBolts or fastening devices for wings, specially for doors or windows11%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof11%

G01NInvestigating or analysing materials by determining their chemical or physical properties11%

G01RMeasuring electric variables11%

G02BOptical elements, systems or apparatus11%

G07CTime or attendance registers11%

G08BSignalling systems, e.g. personal calling systems11%

Y10TTechnical subjects covered by former us classification11%

PatentTitleYear

10,968,664Exit device systems and methods2021 4,443,072'Purged window apparatus utilizing heated purge gas'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to US ENERGY (1)· patent assignee history

1984Based in Los Alamos, NM, US· patent location history

2021Patents assigned to SCHLAGE LOCK CO LLC (1)· patent assignee history

2021Based in Noblesville, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHLAGE LOCK CO LLC	1	2021
US ENERGY	1	1984

Locations

Location	Patents	Span
Noblesville, IN, US	1	2021
Los Alamos, NM, US	1	1984