CM

Charles F. Martin

📍 Porter, TX: #14 of 74 inventorsTop 20%
🗺 Texas: #15,190 of 125,132 inventorsTop 15%
Overall (All Time): #524,393 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6571447 Apparatus and method for connecting tubular members 2003-06-03
6312018 Apparatus and method for connecting tubular members 2001-11-06
5868524 Clamp system and method for connecting tubular bodies together 1999-02-09
4676531 Apparatus for clamping and sealing the outer surface of a pipe and fittings for pipe connection 1987-06-30
4516880 Underwater trenching apparatus 1985-05-14
4411456 Apparatus, methods, and joints for connecting tubular members 1983-10-25
4371198 Apparatus for connecting tubular members 1983-02-01
4291559 Sheave making apparatus and method 1981-09-29
4195865 Apparatus for connecting tubular members 1980-04-01
4183555 Methods and joints for connecting tubular members 1980-01-15