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Inventor

David Heaps

Inventor
Haworth, GB

Overview

13→
Patents
2007–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 13 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids50%
F01CRotary-piston or oscillating-piston machines or engines20%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
C07CAcyclic or carbocyclic compounds5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
G01BMeasuring length, thickness or similar linear dimensions5%
PatentTitleYear
10,837,283Vacuum pump with eccentrically driven vane (eccentric pump design with crank pin)202010,683,864Twin vane rotary vacuum pump202010,480,465Vacuum pump and system of a vacuum pump and an engine201910,371,148Vacuum pump201910,118,884Acetic acid process20189,856,877'Vacuum pump having a disconnectable drive coupling'20189,803,642'Vacuum pump with eccentrically driven vane (eccentric pump design)'20179,683,570'Vacuum pump'20179,606,054'Methods, sampling device and apparatus for terahertz imaging and spectroscopy of coated beads, particles and/or microparticles'20179,417,181'Dynamic measurement of density using terahertz radiation with real-time thickness measurement for process control'20168,651,833'Combined gas and liquid pump'20148,628,317'Vacuum pump with an axial oil feed conduit'20147,207,782'Vacuum pump'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2019Patents assigned to WABCO AUTOMOTIVE UK LTD (6)· patent assignee history
2007Based in Leeds, GB· patent location history
2014–2017Patents assigned to HEAPS DAVID (3)· patent assignee history
2014–2017Patents assigned to HEGARTY JOHN (3)· patent assignee history
2014–2020Based in Haworth, GB· patent location history
2016–2017Patents assigned to ADVANTEST CORP (2)· patent assignee history
2016–2017Based in Yardley, PA, US· patent location history
2017–2020Patents assigned to WABCO EUROPE BVBA (4)· patent assignee history
2018Based in Pearland, TX, US· patent location history
2018Based in Batley, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WABCO AUTOMOTIVE UK LTD62007–2019
WABCO EUROPE BVBA42017–2020
HEAPS DAVIDself32014–2017
HEGARTY JOHN32014–2017
ADVANTEST CORP22016–2017
Locations
LocationPatentsSpan
Haworth, GB82014–2020
Yardley, Pennsylvania, US22016–2017
Pearland, Texas, US12018
Batley, GB12018
Leeds, GB12007