Inventor

Subramaniam Rangaswamy

Inventor
Rochester Hills, MI, US

Overview

14→
Patents
1986–2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

C23Cprimary
C23CCoating metallic material29%
Y10TTechnical subjects covered by former us classification18%
B22FWorking metallic powder7%
C22CAlloys7%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
B23KSoldering or unsoldering4%
C04BLime, magnesia4%
Y02TClimate change mitigation technologies related to transportation4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B05BSpraying apparatus2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to PERKIN ELMER CORP (5)· patent assignee history
1986Patents assigned to METCO INC (2)· patent assignee history
1986–1989Based in Port Jefferson Station, NY, US· patent location history
1992–1993Based in Stony Brook, NY, US· patent location history
1993–1996Patents assigned to SULZER PLASMA TECH (4)· patent assignee history
1993Patents assigned to PLASMA TECHNIK AG (1)· patent assignee history
1993–2008Based in Rochester Hills, MI, US· patent location history
2008Patents assigned to SULZER METCO US INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PERKIN ELMER CORP51986–1992
SULZER PLASMA TECH41993–1996
METCO INC21986
PLASMA TECHNIK AG11993
SULZER METCO US INC12008
Locations
LocationPatentsSpan
Rochester Hills, MI, US61993–2008
Port Jefferson Station, New York, US61986–1989
Stony Brook, New York, US21992–1993