Ronald F Hirsch
Plumbers at 20 St, Greeley, CO
License number
Colorado 178090
Issued Date
Aug 18, 1978
Renew Date
Sep 1, 2011
Expiration Date
Aug 31, 2013
Type
Master Plumber
Address
Address
707 E 20Th St, Greeley, CO 80631
Personal information
See more information about Ronald F Hirsch at radaris.comName
Address
Phone
707 E 20Th St, Greeley, CO 80631
5205 Redondo Cir, Colorado Springs, CO 80918
Professional information
See more information about Ronald F Hirsch at trustoria.com
Vacuum Breaker For Valve Stem Packing
Vacuum Breaker For Valve Stem Packing
US Patent:
D246251, Nov 1, 1977
Filed:
Oct 14, 1975
Appl. No.:
5/621689
Inventors:
Elder F. Hirsch - Greeley CO
Ronald F. Hirsch - Greeley CO
Ronald F. Hirsch - Greeley CO
International Classification:
D2301
US Classification:
D23 47
Vacuum Breaker Valve And Stem Packing Assembly
Vacuum Breaker Valve And Stem Packing Assembly
US Patent:
4206777, Jun 10, 1980
Filed:
Dec 15, 1975
Appl. No.:
5/641074
Inventors:
Elder F. Hirsch - Greeley CO
Ronald F. Hirsch - Greeley CO
Ronald F. Hirsch - Greeley CO
International Classification:
F16K 2402
US Classification:
137218
Abstract:
Sill cock having novel vacuum breaking stem packing assembly to break vacuum between the shutoff valve and the cock and a vacuum breaker shut off valve to close same upon encountering a vacuum or reduced pressure in the main.
Vacuum Breaker Valve
Vacuum Breaker Valve
US Patent:
4209033, Jun 24, 1980
Filed:
Jan 31, 1979
Appl. No.:
5/966098
Inventors:
Elder F. Hirsch - Greeley CO
Ronald F. Hirsch - Greeley CO
Ronald F. Hirsch - Greeley CO
International Classification:
F16K 2402
US Classification:
137218
Abstract:
Sill cock having novel vacuum breaking stem packing assembly to break a vacuum between the shut-off valve and the sill cock. A novel vacuum breaker shut-off valve is also provided adapted to close upon the presence of a vacuum or reduced pressure in the main water line.