Inventor

Layton A. Wise

Inventor

Washington, PA, US

Overview

14→

Patents

1980–2006

Patent span

Human necessities

Primary field (CPC A)

Patents· 14 as inventor

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

A62Bprimary

A62BDevices, apparatus or methods for life-saving53%

A42BHats24%

A41DOuterwear6%

A61FFilters implantable into blood vessels6%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

7,110,743'Communications device for a protective helmet'2006 6,481,023'Suspension for protective headgear'2002 6,443,149'Closed circuit escape breathing apparatus'2002 6,317,895'Safety helmet assembly'2001 6,264,392'Pivot joint for faceshield assembly'2001 5,781,118'Self-contained breathing apparatus having a personal alert safety system integrated therewith'1998 5,584,289'Breathing apparatus having a flexible manifold connected between a plurality of air cylinders'1996 5,027,807'Protective garment cooling device'1991 4,648,394'Facemask for abrasive service'1987 4,466,432'Air supplying hood'1984 4,231,361'Breathing apparatus flow device'1980 4,212,846'Breathing apparatus chemical canister with dust seal'1980 4,205,673'Breathing apparatus with an automatic firing mechanism'1980 4,193,507'Cover for breathing apparatus canister'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2006Patents assigned to MINE SAFETY APPLIANCES CO (14)· patent assignee history

1980–2006Based in Washington, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINE SAFETY APPLIANCES CO	14	1980–2006

Locations

Location	Patents	Span
Washington, Pennsylvania, US	14	1980–2006