List of bong patents

This is a list of bong patents, innovation in devices used to smoke cannabis and tobacco.

Innovations

U.S. Patent 4,253,475 Water pipes or bongs
U.S. Patent 4,148,326 Automatic loading bong
U.S. Patent 4,111,213 Smoking pipe
U.S. Patent 4,096,868 Smoking apparatus and methods of constructing and utilizing same
U.S. Patent 4,031,905 Smoking tube with check valve
U.S. Patent 4,031,904 Removable water tight base for bong
U.S. Patent 3,863,646 Smoking Device

Designs

These include ornamental designs for smoking pipes, substantially as shown and described.

U.S. Patent D443,950 Smoker's implement
U.S. Patent D443,103 Smoker's implement
U.S. Patent D442,327 Smoker's implement
U.S. Patent D381,116 Tobacco water pipe
U.S. Patent D368,325 Tobacco hookah
U.S. Patent D358,227 Tobacco hookah
U.S. Patent D261,439 Pipe
U.S. Patent D261,438 Pipe
U.S. Patent D256,506 Smoking device
U.S. Patent D246,391 Water cooled smoking device
U.S. Patent D244,473 Smoking pipe

Copyrights

This article is licensed under the GNU Free Documentation License. It uses material from the List of bong patents.