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Inventor

Michael Spence

Inventor
Blackburn, GB

Overview

4→
Patents
1988–2013
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

D21Fprimary
D21FPaper-making machines30%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
B29CShaping or joining of plastics10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles10%
C02FTreatment of water, waste water, sewage, or sludge10%
PatentTitleYear
8,500,958'Belt and method to manufacture'20137,776,187'Belt having a non-linear seam and a method of on-machine joining of belt ends'20105,330,604'Edge jointing of fabrics'19944,758,353'Removal of heavy metals from waste streams'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to NALCO CHEMICAL CO (1)· patent assignee history
1988Based in Farmington Hills, MI, US· patent location history
1994–2013Based in Blackburn, GB· patent location history
2010–2013Patents assigned to VOITH PATENT GMBH (2)· patent assignee history
2013Patents assigned to ALLUM ANDREW (1)· patent assignee history
2013Patents assigned to JEFFREY JOHN (1)· patent assignee history
2013Patents assigned to RYDIN PAUL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VOITH PATENT GMBH22010–2013
ALLUM ANDREW12013
JEFFREY JOHN12013
NALCO CHEMICAL CO11988
RYDIN PAUL12013
Locations
LocationPatentsSpan
Blackburn, GB31994–2013
Farmington Hills, MI, US11988