Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Delphi Technologies › Dharmendra M. Ramachandra
DR

Dharmendra M. Ramachandra — 12 Patents

Delphi Technologies: 12 patents #195 of 4,124Top 5%
Centerville, OH: #64 of 668 inventorsTop 10%
Ohio: #6,508 of 73,341 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Dharmendra M. Ramachandra has been granted 12 US patents while listed as an inventor at Delphi Technologies. The first was granted in 2004 and the most recent in September 2008. Dharmendra M. Ramachandra ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Dharmendra M. Ramachandra in Centerville, OH, US.

Patents per Year

Patents granted per year, 2004 to 2008Bar chart with a peak of 5 patents in 2004.peak 52004: 5 patents20042005: 4 patents20052006: 1 patents20062008: 2 patents2008

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7423232 Method for resistance welding/brazing a tube to a member Venkatasubramanian Ananthanarayanan, Richard Marczewski 2008-09-09
7323653 Deformation resistance welding of sheet metal, tubes, and similar shapes Venkatasubramanian Ananthanarayanan, Desra Herbst 2008-01-29
6998560 Method for metallurgically joining a tube to a member Venkatasubramanian Ananthanarayanan 2006-02-14
6953907 Method for metallurgically joining a tube to a member Venkatasubramanian Ananthanarayanan, Richard Marczewski 2005-10-11
6953147 Method for joining a tube to a member Venkatasubramanian Ananthanarayanan, Richard Marczewski 2005-10-11
6875944 Method for resistance welding/brazing a tube to a container Venkatasubramanian Ananthanarayanan 2005-04-05 $800,000
6847001 Method for metallurgically joining a tube to a member Venkatasubramanian Ananthanarayanan, Douglas J Heller, Michael Froning 2005-01-25 $6,634,000
6791051 Method for metallurgically attaching a tube to a member Venkatasubramanian Ananthanarayanan 2004-09-14 $6,244,000
6791052 Method for resistance welding a tube to a member Venkatasubramanian Ananthanarayanan 2004-09-14 $6,244,000
6717091 Method for metallurgically attaching together two tubes Venkatasubramanian Ananthanarayanan, Johnny R. Gentry 2004-04-06 $11,608,000
6693251 Method for manufacturing a metallic tubular assembly Venkatasubramanian Ananthanarayanan, Johnny R. Gentry 2004-02-17 $1,504,000
6689981 Method for metallurgically capping an end of a tube Venkatasubramanian Ananthanarayanan 2004-02-10 $3,854,000

Frequent Collaborators

Venkatasubramanian Ananthanarayanan12 shared
Richard Marczewski3 shared
Johnny R. Gentry2 shared
Douglas J Heller1 shared
Desra Herbst1 shared
Michael Froning1 shared

Nearby-Ranked Inventors

John Patrick Hickey, III12
Gregory Lutter12
Josselin Xavier COUPARD12
Xuan Li12
Nandana Mihindukulasooriya12
Keiichi Matsuda12
Robert Imig12
Peter Mage12
Sze Ping Ching12