DUOFLANGE
Filed: April 5, 1994
two-piece metal pipe flanges for joining steel pipe
Owned by: Improved Piping Products, Inc.
Serial Number: 74509216
DELTAFLEX
Filed: April 5, 1994
metal pipe flanges for joining metal and thermoplastic pipe
Owned by: Improved Piping Products, Inc.
Serial Number: 74509217
IPP DELTAFLEX
Metal pipe flanges for joining ferrous, alloy and plastic pipes
Owned by: Improved Piping Products, Inc.
Serial Number: 75596099
IPP DELTAFLEX
Filed: September 5, 2012
Metal pipe flanges for joining ferrous, alloy and plastic pipes
Owned by: Improved Piping Products, Inc.
Serial Number: 85720696
DELTAFIT
Filed: November 30, 2018
Fittings, not of metal, for pipes
Owned by: Improved Piping Products, Inc.
Serial Number: 88211859
IPP IMPROVED PIPING PRODUCTS, INC.
Filed: November 5, 2024
Metal pipe flanges for joining ferrous, alloy and plastic pipes
Owned by: Improved Piping Products, Inc.
Serial Number: 98837490
