Inventor

Roger Breakfield

Inventor

Potosi, MO, US

Overview

3→

Patents

2001–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

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

A47Lprimary

A47LDomestic washing or cleaning17%

B01DSeparation17%

B08BCleaning in general17%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling17%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers17%

F16LPipes17%

PatentTitleYear

7,520,925'Filter and silencer with a quick disconnect lid'2009 6,952,996'Remotely operated manhole cover for a tanker'2005 6,182,326'Workshop dust collection apparatus and method'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to EMERSON ELECTRIC CO (1)· patent assignee history

2001–2009Based in Potosi, MO, US· patent location history

2005Patents assigned to CAPITAL FORMATION INC (1)· patent assignee history

2009Patents assigned to SURE SEAL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CAPITAL FORMATION INC	1	2005
EMERSON ELECTRIC CO	1	2001
SURE SEAL INC	1	2009

Locations

Location	Patents	Span
Potosi, MO, US	3	2001–2009