Inventor

Donald J. Spigarelli

Inventor

Carlisle, MA, US

Overview

26→

Patents

1978–1997

Patent span

Electricity

Primary field (CPC H)

Patents· 26 as inventor

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

H05Kprimary

H05KPrinted circuits34%

B23KSoldering or unsoldering32%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Y10TTechnical subjects covered by former us classification6%

B01DSeparation4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling2%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding2%

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis2%

G05DSystems for controlling or regulating non-electric variables2%

PatentTitleYear

5,627,913'Placement system using a split imaging system coaxially coupled to a component pickup means'1997 5,471,310'System for placement and mounting of fine pitch integrated circuit devices'1995 5,433,368'Soldering system'1995 5,317,803'Method of soldering an integrated circuit'1994 5,309,545'Combined radiative and convective rework system'1994 5,278,938'Infrared heater array for IC soldering reflective members'1994 5,251,266'System for placement and mounting of fine pitch integrated circuit devices using a split mirror assembly'1993 5,234,151'Sensing of solder melting and solidification'1993 5,235,407'System for placement and mounting of fine pitch integrated circuit devices'1993 5,220,147'Electronic component heater'1993 5,060,288'Infrared heater array for IC soldering'1991 D0312646'Electronic circuit board rework and repair system'1990 4,914,513'Multi-vision component alignment system'1990 4,832,250'Electronic circuit board rework and repair system'1989 4,821,393'Component centering tool'1989 4,775,775'Programmable electrical heater'1988 4,757,780'Apparatus for solder removal'1988 4,697,730'Continuous solder system'1987 4,685,605'Continuous solder system'1987 4,558,524'Single vapor system for soldering, fusing or brazing'1985 4,541,358'Method and apparatus for solder removal'1985 4,394,802'Counter-convection vapor control system'1983 4,389,797'Continuous vapor processing system'1983 4,348,174'Method and apparatus for vapor conservation and control'1982 4,315,042'Solder removal technique'1982 4,077,467'Method and apparatus for soldering, fusing or brazing'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1993Patents assigned to SPIGARELLI DONALD J (2)· patent assignee history

1978–1995Based in Carlisle, MA, US· patent location history

1982Patents assigned to HYBRID TECHNOLOGY CORP (2)· patent assignee history

1983–1988Patents assigned to HTC CORP (6)· patent assignee history

1988–1990Patents assigned to SRTECHNOLOGIES INC (4)· patent assignee history

1991–1997Patents assigned to SIERRA RESEARCH AND TECHNOLOGY (9)· patent assignee history

1993–1997Based in Groton, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIERRA RESEARCH AND TECHNOLOGY	9	1991–1997
HTC CORP	6	1983–1988
SRTECHNOLOGIES INC	4	1988–1990
HYBRID TECHNOLOGY CORP	2	1982
SPIGARELLI DONALD Jself	2	1978–1993

Locations

Location	Patents	Span
Carlisle, Massachusetts, US	20	1978–1995
Groton, Massachusetts, US	6	1993–1997