Inventor

David T. Monk

Inventor

Bristol, VA, US

Overview

43→

Patents

1996–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 43 as inventor

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

F04Bprimary

F04BPositive-displacement machines for liquids26%

F25BRefrigeration machines, plants or systems14%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids9%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

Y10TTechnical subjects covered by former us classification7%

G11CStatic stores6%

F16KValves4%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%

A47LDomestic washing or cleaning2%

PatentTitleYear

10,876,646Leak detection and prevention device2020 10,487,480Water leak detection and prevention device2019 8,985,044'Watertight door system'2015 7,992,399'Pressure equalization component for a compressor'2011 7,946,123'System for compressor capacity modulation'2011 7,628,028'System and method for compressor capacity modulation'2009 D0598970'Swimming training device'2009 7,374,406'System and method for reducing noise in multi-capacity compressors'2008 7,281,907'Offset mounting foot'2007 7,260,951'Pressure equalization system'2007 7,074,022'Discharge valve assembly for reciprocating compressors'2006 7,070,397'Compressor suction gas feed assembly'2006 7,037,091'Crankcase heater mounting for a compressor'2006 6,971,860'Compressor unit housing'2005 6,953,324'Adjustable crankpin throw structure having improved throw stabilization means'2005 6,935,848'Discharge muffler placement in a compressor'2005 6,935,221'Method for manufacturing an aluminum die cast piston for reciprocating compressors'2005 6,901,675'System and method for sizing a center bore of a laminated rotor'2005 6,900,573'Rotor core lamination for a laminated rotor'2005 6,896,495'Cylinder head and valve plate assembly for reciprocating compressor'2005 6,848,495'Method of manufacturing a laminated rotor'2005 6,840,746'Resistive suction muffler for refrigerant compressors'2005 6,823,686'Pressure equalization system and method'2004 6,781,342'System and method for soft starting a three phase motor'2004 6,708,519'Accumulator with internal desiccant'2004 6,663,358'Compressors for providing automatic capacity modulation and heat exchanging system including the same'2003 6,609,896'Device and method for reducing forces in mechanisms'2003 6,591,621'Two stage reciprocating compressors and associated HVAC systems and methods'2003 6,584,791'Pressure equalization system and method'2003 6,579,076'Shaft load balancing system'2003 6,551,069'Compressor with a capacity modulation system utilizing a re-expansion chamber'2003 6,499,971'Compressor utilizing shell with low pressure side motor and high pressure side oil sump'2002 6,446,451'Variable capacity compressor having adjustable crankpin throw structure'2002 6,389,823'Two stage reciprocating compressors and associated HVAC system and methods'2002 6,331,925'Two stage reciprocating compressors and associated HVAC systems and methods'2001 6,217,287'Variable capacity compressor having adjustable crankpin throw structure'2001 6,172,476'Two step power output motor and associated HVAC systems and methods'2001 6,132,177'Two stage reciprocating compressors and associated HVAC systems and methods'2000 6,099,259'Variable capacity compressor'2000 6,092,993'Adjustable crankpin throw structure having improved throw stabilizing means'2000 6,040,679'Variable capacity compressor having two-step motor strength adjustability'2000 5,542,341'Wrist pin construction'1996 5,538,404'Compressor unit shell construction'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2008Patents assigned to BRISTOL COMPRESSORS (34)· patent assignee history

1996–2011Based in Bristol, VA, US· patent location history

2000–2005Based in Lebanon, VA, US· patent location history

2007–2009Patents assigned to BRISTOL COMPRESSORS INTERNATIO (2)· patent assignee history

2009–2020Based in Tequesta, FL, US· patent location history

2011Patents assigned to BRISTOL COMPRESSORS INTERNATIONAL INC (2)· patent assignee history

2015Patents assigned to ELDER JOHN (1)· patent assignee history

2015Based in Belleville, CA· patent location history

2019–2020Patents assigned to Monk Intellectual Properties LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BRISTOL COMPRESSORS	34	1996–2008
BRISTOL COMPRESSORS INTERNATIO	2	2007–2009
BRISTOL COMPRESSORS INTERNATIONAL INC	2	2011
Monk Intellectual Properties LLC	2	2019–2020
ELDER JOHN	1	2015

Locations

Location	Patents	Span
Bristol, Virginia, US	35	1996–2011
Lebanon, Virginia, US	4	2000–2005
Tequesta, Florida, US	3	2009–2020
Belleville, CA	1	2015