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Inventor

David W. Procknow

Inventor
Elm Grove, WI, US

Overview

21→
Patents
1993–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 21 as inventor

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

A01Dprimary
A01DHarvesting11%
F02NStarting of combustion engines10%
F04BPositive-displacement machines for liquids9%
B08BCleaning in general5%
F02BInternal-combustion piston engines5%
B60TVehicle brake control systems or parts thereof4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
F02PIgnition, other than compression ignition, for internal-combustion engines4%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
H02KDynamo-electric machines4%
PatentTitleYear
11,085,412Internal combustion engine with electric starting system202111,002,234Fuel delivery injector202110,677,205Fuel delivery injector202010,539,112Internal combustion engine with electric starting system202010,475,319Portable generator including carbon monoxide detector201910,319,207Portable generator including carbon monoxide detector201910,197,025Fuel delivery injector20199,945,281Cooling system for air-cooled engines20189,828,966Lawn mower starter system20179,759,175'Starter system for an engine'20179,267,482'Starter system for an engine'20169,220,192'Lawn mower starter system'20158,863,485'Hybrid lawn mower drive system'20148,857,138'Starter system for an engine'20148,733,072'Starter system for an engine'20148,517,146'Hose cap coupler and clip'20138,337,172'Pressure washer pump and engine system'20127,484,409'Fluid level switch'20096,349,688'Direct lever overhead valve system'20025,314,009'Exhaust gas recuperator'19945,230,321'Lean-burn internal combustion gas engine'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to GAS RES INST (2)· patent assignee history
1993–1994Based in Wauwatosa, WI, US· patent location history
2002–2020Patents assigned to BRIGGS & STRATTON CORP (17)· patent assignee history
2002–2021Based in Elm Grove, WI, US· patent location history
2013–2014Patents assigned to PROCKNOW DAVID W (2)· patent assignee history
2013Patents assigned to DREW CHRISTOPHER J (1)· patent assignee history
2021Patents assigned to BRIGGS & STRATTON LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIGGS & STRATTON CORP172002–2020
BRIGGS & STRATTON LLC22021
GAS RES INST21993–1994
PROCKNOW DAVID Wself22013–2014
DREW CHRISTOPHER J12013
Locations
LocationPatentsSpan
Elm Grove, WI, US192002–2021
Wauwatosa, WI, US21993–1994