Inventor

Joel F. Downey

Inventor

Kokomo, IN, US

Overview

13→

Patents

1989–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 13 as inventor

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

F02Dprimary

F02DControlling combustion engines17%

F02PIgnition, other than compression ignition, for internal-combustion engines17%

H03KPulse technique17%

H05KPrinted circuits8%

A01MCatching, trapping or scaring of animals4%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

C23CCoating metallic material4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%

H04BTransmission4%

PatentTitleYear

11,018,773Cascaded offset optical modulator for optical communications2021 6,760,212'Piezoelectric injector drive circuit'2004 6,754,988'Insect containment trap having disposable capture vessel and joining mechanism'2004 6,531,895'Isolated gate drive circuit having a switched input capacitor'2003 6,362,435'Multi-layer conductor pad for reducing solder voiding'2002 6,359,439'Compression sense ignition system with fault mode detection and having improved capacitive sensing'2002 6,256,215'Multiple output bootstrapped gate drive circuit'2001 6,150,041'Thick-film circuits and metallization process'2000 5,812,429'Adaptive digital filter for automotive applications'1998 5,692,484'Synchronization circuit for a coil-per-plug ignition system'1997 5,561,379'Remote planar capacitive sensor apparatus for a direct ignition system'1996 5,410,253'Method of indicating combustion in an internal combustion engine'1995 4,829,200'Logic circuits utilizing a composite junction transistor-MOSFET device'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1998Patents assigned to DELCO ELECTRONICS CORP (5)· patent assignee history

1989–2004Based in Kokomo, IN, US· patent location history

2000–2004Patents assigned to DELPHI TECH INC (6)· patent assignee history

2021Patents assigned to NASA (1)· patent assignee history

2021Patents assigned to US ADMINISTRATOR OF NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (1)· patent assignee history

2021Based in Cleveland, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DELPHI TECH INC	6	2000–2004
DELCO ELECTRONICS CORP	5	1989–1998
NASA	1	2021
US ADMINISTRATOR OF NATIONAL AERONAUTICS AND SPACE ADMINISTRATION	1	2021

Locations

Location	Patents	Span
Kokomo, IN, US	12	1989–2004
Cleveland, OH, US	1	2021