Inventor · disambiguated record
Carl D. Chapman
Also filed as: CHAPMAN CARL D
3 granted patents·53 citations·filing 1992–1995
71Inventor score
Technology areasB29C
Files withBIG O INC3
Top patents by PatentIndex Score
3 records- 0158US5510071AMethod and apparatus for production of tubingBIG O INC·Filed 1992·Granted Apr 23, 1996·28 cites·7 claims
- 0254US5609713AMethod for producing a bell jointBIG O INC·Filed 1995·Granted Mar 11, 1997·20 cites·5 claims
- 0329US5441588AApparatus for producing a bell jointBIG O INC·Filed 1994·Granted Aug 15, 1995·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →