Inventor · disambiguated record
Tor Jan Akerlund
Also filed as: AKERLUND TOR JAN
4 granted patents·79 citations·filing 1997–2004
78Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0175US6827145B2Methods and apparatus for severing nested strings of tubularsWEATHERFORD LAMB·Filed 2002·Granted Dec 7, 2004·48 cites·60 claims
- 0254US7156170B2Methods and apparatus for severing nested strings of tubularsWEATHERFORD LAMB·Filed 2004·Granted Jan 2, 2007·17 cites·31 claims
- 0338US7225865B2Apparatus for positioning a tong and drilling rig provided with such an apparatusWEATHERFORD LAMB·Filed 2002·Granted Jun 5, 2007·4 cites·52 claims
- 0428US6412553B1Apparatus for positioning a tong and drilling rig provided with such an apparatusWEATHERFORD LAMB L L P·Filed 1997·Granted Jul 2, 2002·10 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Tor Jan Akerlund files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →