Inventor · disambiguated record
Craig A. Sommerfeld
Also filed as: SOMMERFELD CRAIG A
8 granted patents·506 citations·filing 1989–2008
91Inventor score
Top patents by PatentIndex Score
8 records- 0197US7641425B2Adjustable holding systemsALLEN IP INC·Filed 2005·Granted Jan 5, 2010·73 cites·61 claims
- 0296US7641424B1Non-pneumatic clamp and drilling systemALLEN IP INC·Filed 2005·Granted Jan 5, 2010·36 cites·21 claims
- 0393US6726411B2Methods of using an adjustable holding deviceFiled 2002·Granted Apr 27, 2004·65 cites·18 claims
- 0493US6481937B1Adjustable holding deviceSOMMERFIELD CRAIG A·Filed 2000·Granted Nov 19, 2002·138 cites·16 claims
- 0593US4955766AHolding fixture for drilling pocket jointsSOMMERFELD CRAIG A·Filed 1989·Granted Sep 11, 1990·77 cites·3 claims
- 0692US8231313B2Adjustable holding systemSOMMERFELD CRAIG A·Filed 2007·Granted Jul 31, 2012·27 cites·22 claims
- 0790US5676500AReleasable fixture clampFiled 1995·Granted Oct 14, 1997·82 cites·20 claims
- 0881US7811033B2Tool with remote switchALLEN IP INC·Filed 2008·Granted Oct 12, 2010·8 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Craig A. Sommerfeld 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 →