Inventor

David J. Zemla

Inventor

Canal Fulton, OH, US

Overview

4→

Patents

2017–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 4 as inventor

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

B29Dprimary

B29DProducing particular articles from plastics or from substances in a plastic state30%

B60CVehicle tyres30%

B29CShaping or joining of plastics20%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts10%

B29LIndexing scheme associated with subclass b29c, relating to particular articles10%

PatentTitleYear

11,034,188Pneumatic tire having reinforcing members and air barrier layer2021 10,894,449Tire having a conductivity path2021 10,538,041Tire curing bladder with an air barrier layer2020 9,731,558'Tire assembly including an inner tire and an outer tire'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to BRIDGESTONE AMERICAS TIRE OPERATIONS LLC (4)· patent assignee history

2017Patents assigned to FIRESTONE IND PRODUCTS CO LLC (1)· patent assignee history

2017–2021Based in Canal Fulton, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BRIDGESTONE AMERICAS TIRE OPERATIONS LLC	4	2017–2021
FIRESTONE IND PRODUCTS CO LLC	1	2017

Locations

Location	Patents	Span
Canal Fulton, OH, US	4	2017–2021