Inventor

David W. Balsdon

Inventor

Chatham, CA

Overview

31→

Patents

1999–2019

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 31 as inventor

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

F02Mprimary

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof35%

F16KValves18%

Y10TTechnical subjects covered by former us classification13%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines6%

F02DControlling combustion engines5%

Y02TClimate change mitigation technologies related to transportation5%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

B01FMixing, e.g. dissolving, emulsifying or dispersing1%

PatentTitleYear

10,253,900Latching valve assembly having position sensing2019 9,909,540'Method and device for operating an internal combustion engine'2018 9,890,747'Tank pressure control solenoid with passive tank vacuum'2018 9,784,224'Latching solenoid exhaust gas recirculation valve assembly'2017 9,732,705'Latching canister vent valve'2017 9,726,119'Direct mount canister purge solenoid with additional vacuum ports'2017 9,683,523'On-board diagnostic check for evap latching valves'2017 9,631,583'Latching mechanism for a fuel tank isolation valve assembly'2017 9,605,625'High performance vacuum venturi pump'2017 9,506,428'Turbo bypass switch valve mounting on air box'2016 9,359,978'Turbo purge module hose detection and blow off prevention check valve'2016 9,310,349'Sensor structure for EVAP hydrocarbon concentration and flow rate'2016 9,206,772'Articulating poppet to seal a natural vacuum leak detection device'2015 9,115,675'Method and system for cleaning a charcoal canister of an emissions system using a fuel cell'2015 8,172,201'Exhaust throttling valve using a general purpose actuator'2012 7,900,609'Dual exhaust gas recirculation valve'2011 7,621,264'Cartridge style exhaust bypass valve'2009 7,311,089'High flow, low vacuum carbon canister purge valve'2007 6,843,271'Fuel tank pressure control valve including an integrated sensor'2005 6,739,573'Canister purge valve noise attenuation'2004 6,722,626'Valve providing increase in flow for increase in power level'2004 6,672,291'Purge valve with evaluation port'2004 6,668,857'Flow reversal control valve'2003 6,568,374'Purge valve with integral diagnostic member'2003 6,152,115'Integrated engine intake manifold having a fuel vapor purge valve and an exhaust gas recirculation valve'2000 6,073,617'Manifold-mounted emission control valve'2000 6,000,677'Automotive emission control valve with a counter-force mechanism'1999 5,996,559'Integrated manifold and purge valve'1999 5,967,487'Automotive emission control valve with a cushion media'1999 5,909,725'Automotive emission control valve retaining clip and mounting method'1999 5,901,688'Automotive emission control valve mounting'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2004Patents assigned to SIEMENS CANADA LTD (9)· patent assignee history

1999–2019Based in Chatham, CA· patent location history

2004Patents assigned to SIEMENS AUTOMOTIVE INC (2)· patent assignee history

2012–2018Patents assigned to BALSDON DAVID W (2)· patent assignee history

2015–2016Patents assigned to CONTINENTAL AUTOMOTIVE SYSTEMS (4)· patent assignee history

2016–2019Patents assigned to Continental automotive systems inc (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
Continental automotive systems inc	9	2016–2019
SIEMENS CANADA LTD	9	1999–2004
CONTINENTAL AUTOMOTIVE SYSTEMS	4	2015–2016
BALSDON DAVID Wself	2	2012–2018
SIEMENS AUTOMOTIVE INC	2	2004

Locations

Location	Patents	Span
Chatham, CA	31	1999–2019