LexDanaLexDanabeta
Inventor

Robert H. Osthues

Inventor
Holden, MA, US

Overview

3→
Patents
1985–1992
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification50%
F16KValves33%
B22FWorking metallic powder17%
PatentTitleYear
5,117,858'Top entry ball valves with cam adjustable seats'19925,074,522'Ball valve having improved inherent rangeability'19914,531,273'Method for fabricating graphite filled sintered metal seats for ball valves'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1992Patents assigned to WORCESTER CONTROLS CORP (3)· patent assignee history
1985–1992Based in Holden, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WORCESTER CONTROLS CORP31985–1992
Locations
LocationPatentsSpan
Holden, Massachusetts, US31985–1992