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Inventor

David Jonathan Hassell

Inventor
Titirangi, NZ

Overview

1→
Patents
2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B67Dprimary
B67DDispensing, delivering or transferring liquids, not otherwise provided for100%
PatentTitleYear
8,770,237'Vapor recovery pump regulation of pressure to maintain air to liquid ratio'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to BOLT DAVID (1)· patent assignee history
2014Patents assigned to DALZIEL LINDSAY BRUCE (1)· patent assignee history
2014Patents assigned to EWING DALE (1)· patent assignee history
2014Patents assigned to HASSELL DAVID JONATHAN (1)· patent assignee history
2014Patents assigned to LAYNE JOHN (1)· patent assignee history
2014Based in Titirangi, NZ· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOLT DAVID12014
DALZIEL LINDSAY BRUCE12014
EWING DALE12014
HASSELL DAVID JONATHANself12014
LAYNE JOHN12014
Locations
LocationPatentsSpan
Titirangi, NZ12014