E03B 9 - Methods or installations for drawing-off water

Patents for E03B 9 - Methods or installations for drawing-off water (1,820)
02/1978
02/07/1978	US4072163 Tamperproof lock with shock absorber
12/1977
12/27/1977	US4064902 Curb box
12/13/1977	US4062375 Tamper proof lock
11/1977
11/29/1977	US4060198 Dispensing head assembly for fluid dispensing system and a nozzle therefor made of plastic material
09/1977
09/13/1977	US4047668 Water hydrant diffuser
08/1977
08/09/1977	US4040771 Line relay valve
07/1977
07/05/1977	US4033372 Fire hydrant locking device
03/1977
03/01/1977	US4009806 Dispensing head for fluid dispensing systems having elements made from plastic material
01/1977
01/04/1977	US4000753 Means for locking replaceable nozzles to fire hydrants
10/1976
10/19/1976	US3986700 Actuator for yard hydrant
10/05/1976	US3983896 Underground valve anti-freeeze device
09/1976
09/14/1976	US3980097 Fire hydrant with drain valve and backflow preventer mechanism
09/14/1976	US3980096 Fire hydrant
07/1976
07/20/1976	US3970559 Drain guard
06/1976
06/08/1976	US3961642 Fire hydrant valve rod coupling
04/1976
04/20/1976	US3951441 Adjustable plumbing fitting
04/20/1976	US3951172 Adjustable cleanout plumbing fitting
03/1976
03/16/1976	US3943963 Frostproof hydrants for use in fluid handling
02/1976
02/24/1976	US3939861 Fire hydrant
02/03/1976	US3935877 Tamper-proof locking system for fire hydrants