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Inventor

John H. Bolthouse, II

Inventor
Monroe, LA, US

Overview

4→
Patents
1989–1996
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F04Bprimary
F04BPositive-displacement machines for liquids44%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines11%
F01LCyclically operating valves for machines or engines11%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
5,515,769'Air compressor'19965,493,953'Cylinder and piston for compressor or vacuum pump'19965,419,688'Mounting for oilless air compressor'19954,822,254'Oscillating cylinder pumping arrangement'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to TI PNEUMOTIVE INC (1)· patent assignee history
1989Based in Ouachita, LA, US· patent location history
1995–1996Patents assigned to THOMAS INDUSTRIES INC (3)· patent assignee history
1995–1996Patents assigned to CARRIER CORP (2)· patent assignee history
1995–1996Based in Monroe, LA, US· patent location history
1996Based in Monore, LA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
THOMAS INDUSTRIES INC31995–1996
CARRIER CORP21995–1996
TI PNEUMOTIVE INC11989
Locations
LocationPatentsSpan
Monroe, LA, US21995–1996
Monore, LA, US11996
Ouachita, LA, US11989