LexDanaLexDanabeta
Inventor

Sivakumar Natarajan

Inventor
Bangalore, IN

Overview

2→
Patents
2015–2016
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F16KValves50%
PatentTitleYear
9,322,242'Ball valve assembly'20168,925,894'Ball valve enclosure and drive mechanism'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2016Patents assigned to DOMMATI THIRUPATHI (2)· patent assignee history
2015–2016Patents assigned to NATARAJAN SIVAKUMAR (2)· patent assignee history
2015–2016Patents assigned to VETCO GRAY INC (2)· patent assignee history
2015Patents assigned to BUCHAN ROBERT SAMUEL (1)· patent assignee history
2015–2016Based in Bangalore, IN· patent location history
2016Patents assigned to BUCHAN ROBERT (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOMMATI THIRUPATHI22015–2016
NATARAJAN SIVAKUMARself22015–2016
VETCO GRAY INC22015–2016
BUCHAN ROBERT12016
BUCHAN ROBERT SAMUEL12015
Locations
LocationPatentsSpan
Bangalore, IN22015–2016