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Inventor

John A. Pierman

Inventor
Kenosha, WI, US

Overview

10→
Patents
1991–2005
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 10 as inventor

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

B63Hprimary
B63HMarine propulsion or steering24%
F02BInternal-combustion piston engines24%
LOC0818%
B25FCombination or multi-purpose tools not otherwise provided for6%
F02DControlling combustion engines6%
F02FCylinders, pistons or casings, for combustion engines6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
H01RElectrically-conductive connections6%
Y02TClimate change mitigation technologies related to transportation6%
PatentTitleYear
D0507732'Impact wrench'20056,796,389'Power hand tool and removable grip therefor'2004D0487219'Hand-held tool'2004D0472782'Impact wrench'20036,139,359'Cordless screwdriver and multi-position battery pack therefor'20005,437,155'Outboard motor exhaust system'19955,338,236'Latch mechanism for outboard motor cowl assembly'19945,154,651'Marine propulsion device tilt tube'19925,080,618'Marine propulsion device cowl assembly'19925,052,353'Marine propulsion device cowl assembly'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1995Patents assigned to OUTBOARD MARINE CORP (5)· patent assignee history
1991–1995Based in Waukegan, IL, US· patent location history
2000Patents assigned to SNAP ON TOOLS CO (1)· patent assignee history
2000–2005Based in Kenosha, WI, US· patent location history
2003Patents assigned to SNAP ON TECH INC (1)· patent assignee history
2004–2005Patents assigned to SNAP ON TOOLS CORP (2)· patent assignee history
2004Patents assigned to SNAP ON TECHNOLOGIES CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OUTBOARD MARINE CORP51991–1995
SNAP ON TOOLS CORP22004–2005
SNAP ON TECH INC12003
SNAP ON TECHNOLOGIES CORP12004
SNAP ON TOOLS CO12000
Locations
LocationPatentsSpan
Kenosha, WI, US52000–2005
Waukegan, Illinois, US51991–1995