Inventor

Richard E. Niggemann

Inventor

Rockford, IL, US

Overview

24→

Patents

1984–2001

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 24 as inventor

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

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application19%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

B64GCosmonautics5%

F25BRefrigeration machines, plants or systems5%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

F02CGas-turbine plants3%

F17CVessels for containing or storing compressed, liquefied or solidified gases3%

F42BExplosive charges, e.g. for blasting, fireworks, ammunition3%

PatentTitleYear

6,182,435'Thermal and energy management method and apparatus for an aircraft'2001 6,152,215'High intensity cooler'2000 5,828,148'Method and apparatus for reducing windage losses in rotating equipment and electric motor/generator employing same'1998 5,029,640'Gas-liquid impingement plate type heat exchanger'1991 5,025,856'Crossflow jet impingement heat exchanger'1991 4,993,487'Spiral heat exchanger'1991 4,975,803'Cold plane system for cooling electronic circuit components'1990 4,962,444'Cold chassis for cooling electronic circuit components on an electronic board'1990 4,944,163'Flow control apparatus and method'1990 4,936,380'Impingement plate type heat exchanger'1990 4,883,117'Swirl flow heat exchanger with reverse spiral configuration'1989 4,880,055'Impingement plate type heat exchanger'1989 4,790,370'Heat exchanger apparatus for electrical components'1988 4,786,015'Structural cooling unit'1988 4,697,427'Forced flow evaporator for unusual gravity conditions'1987 4,690,210'Fluid jet impingement heat exchanger for operation in zero gravity conditions'1987 4,643,250'Fluid jet impingement heat exchanger for operation in zero gravity conditions'1987 4,637,456'Heat exchanger'1987 4,603,732'Heat management system for spacecraft'1986 4,598,695'Solar boiler or energy storage apparatus'1986 4,527,514'Direct contact liquid heater and heating method'1985 4,516,987'Deaerator usable in a system for a steam powered torpedo and deaerating method'1985 4,494,171'Impingement cooling apparatus for heat liberating device'1985 4,459,082'Self-acting automatic clearance control apparatus for a turbine'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2000Patents assigned to SUNDSTRAND CORP (22)· patent assignee history

1984–2001Based in Rockford, IL, US· patent location history

1990Patents assigned to SUNSTRAND CORP (1)· patent assignee history

2001Patents assigned to HAMILTON SUNDSTRAND CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUNDSTRAND CORP	22	1984–2000
HAMILTON SUNDSTRAND CORP	1	2001
SUNSTRAND CORP	1	1990

Locations

Location	Patents	Span
Rockford, Illinois, US	24	1984–2001