Inventor
William R. Hutchinson
Inventor
Clemmons, NC, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids17%
LOC1513%
B01DSeparation9%
Y10TTechnical subjects covered by former us classification9%
B05CApparatus for applying fluent materials to surfaces, in general4%
B60DVehicle connections4%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
E04HBuildings or like structures for particular purposes4%
F02BInternal-combustion piston engines4%
PatentTitleYear
7,506,661'Storage devices for portable compressors'2009D0516584'Portable air compressor enclosure'2006D0445115'Portable air compressor enclosure'20016,099,265'Machine with at least two modes of operation and switching means for changing the machine mode of operation'20005,718,563'Portable compressor with system for optimizing temperature in compressor housing and method'1998D0387778'Portable compressor'1997D0384331'Surface pattern for the front of a control panel of a portable machine'19975,524,398'Portable collapsible tower'19965,518,262'Towing assembly for a portable machine'19965,487,769'Integral apparatus for separating lubricant from a hot compressed gas and for cooling the separated lubricant'19964,998,862'Air compressor pressure regulating valve system'19914,396,345'Unloader valve having bypass valving means'19834,356,006'Oil supply system, and method of retrofitting, and method of inhibiting oil foaming in, an oil supply system'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2006Patents assigned to INGERSOLL RAND CO (12)· patent assignee history
1982–1983Based in Winston-Salem, NC, US· patent location history
1991–2009Based in Clemmons, NC, US· patent location history
2009Patents assigned to DOOSAN INTERNAT USA INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INGERSOLL RAND CO | 12 | 1982–2006 |
| DOOSAN INTERNAT USA INC | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Clemmons, NC, US | 11 | 1991–2009 |
| Winston-Salem, NC, US | 2 | 1982–1983 |