Inventor

John P. Elson

Inventor
Sidney, OH, US

Overview

26→
Patents
1979–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 26 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids22%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
F25BRefrigeration machines, plants or systems9%
F01CRotary-piston or oscillating-piston machines or engines7%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%
G01MTesting static or dynamic balance of machines or structures3%
Y10TTechnical subjects covered by former us classification3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%
F16CShafts2%
PatentTitleYear
10,352,308Reciprocating compressor with vapor injection system201910,280,918Reciprocating compressor with vapor injection system20199,347,443'Discharge valve for reciprocating compressor having inner and outer flow areas'20168,747,088'Open drive scroll compressor with lubrication system'20147,566,210'Horizontal scroll compressor'20097,435,067'Scroll machine with brushless permanent magnet motor'20087,186,099'Inclined scroll machine having a special oil sump'20076,428,296'Horizontal scroll compressor having an oil injection fitting'2002RE037019'Refrigeration compressor'20016,129,531'Open drive scroll machine'20005,580,230'Scroll machine having an axially compliant mounting for a scroll member'19965,407,335'Non-orbiting scroll mounting arrangements for a scroll machine'19955,277,554'Tandem compressor mounting system'1994RE034297'Refrigeration compressor'19935,102,316'Non-orbiting scroll mounting arrangements for a scroll machine'19924,895,496'Refrigeration compressor'19904,836,758'Scroll compressor with canted drive busing surface'19894,685,489'Valve assembly and compressor modulation apparatus'19874,591,318'Dual compressors'19864,547,131'Refrigeration compressor and method of assembling same'19854,518,323'Hermetic refrigeration compressor'19854,427,349'Refrigeration compressor suspension system'19844,396,360'Dual compressors'19834,239,461'Compressor induction system'19804,174,189'Refrigeration compressor suspension system'19794,153,392'Refrigeration compressor lubrication'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2002Patents assigned to COPELAND CORP (18)· patent assignee history
1979–2019Based in Sidney, OH, US· patent location history
2007–2019Patents assigned to EMERSON CLIMATE TECHNOLOGIES (7)· patent assignee history
2014Patents assigned to BERNING JEFFREY L (1)· patent assignee history
2014Patents assigned to ELSON JOHN P (1)· patent assignee history
2014Patents assigned to SHERIDAN JOHN P (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COPELAND CORP181979–2002
EMERSON CLIMATE TECHNOLOGIES72007–2019
BERNING JEFFREY L12014
ELSON JOHN Pself12014
SHERIDAN JOHN P12014
Locations
LocationPatentsSpan
Sidney, OH, US261979–2019