| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '248') AND (category.subclass = '67.7') ORDER BY date ASC, patent, type |
Total of 28 patents found where: Class is '248'; Subclass is '67.7';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1891 | ||||||
| U | 463,756 | November 24, 1891 | Wire Hanger Wire hanger using two spool insulators in a bracket to secure the line wire |
JACOBS, Charles A. |
Hanger | |
| 1905 | ||||||
| U | 804,115 | November 7, 1905 | Electrical Insulator Knob - self-tying |
GOODRIDGE, Gilbert W. |
Knob | |
| 1908 | ||||||
| U | 890,891 | June 16, 1908 | Insulator Pin Bracket to hold two insulators vertically |
DORFF, Conrad J. |
Bracket | Fredric Greer |
| 1915 | ||||||
| U | 1,152,211 | August 31, 1915 | Secondary Rack Secondary rack built away from the pole. |
PEIRCE, JR., Charles L. |
Secondary Rack | |
| U | 1,157,036 | October 19, 1915 | Insulator Supporting Fixture Bracket for holding spool insulator vertically and supported with a rod |
PEIRCE, JR., Charles L. |
Bracket | 1/2 to Hubbard & Co. |
| 1925 | ||||||
| U | 1,524,141 | January 27, 1925 | Rack Secondary rack bracket made by stamping sheet metal. |
KYLE, William D. |
Bracket/secondary Rack | |
| 1929 | ||||||
| U | 1,722,672 | July 30, 1929 | Insulator Supporting Bracket Secondary rack of simple but strong design eliminating rivets. |
LUNDELL, Elmer W. |
Bracket/secondary Rack | Seyler Mfg. Co. |
| 1930 | ||||||
| U | 1,761,671 | June 3, 1930 | Secondary Rack Secondary rack or wireholder with rounded edges to more easily allow wire to be pulled through it during installation. |
HUSTED, Norris C. |
Bracket | |
| U | 1,770,138 | July 8, 1930 | Insulator Rack Metal bracket for wire holders or secondary racks. |
HUSTED, Norris C. |
Bracket | |
| U | 1,779,489 | October 28, 1930 | Method of Making Secondary Racks Method of making secondary rack brackets (see 1,883,818) |
PEIRCE, JR., Charles L. |
Manufacturing | 1/2 to Hubbard & Co. |
| 1931 | ||||||
| U | 1,794,520 | March 3, 1931 | Insulator Rack Bracket for rack spool wireholder (see 1,822,037) |
KERSCHNER, Richard M. |
Bracket | Hubbard & Co. |
| U | 1,797,219 | March 24, 1931 | Insulator Supporting Fixture Bracket for secondary rack spools using inexpensive, strong construction |
BENNETT, George R. |
Bracket | Line Material Co. |
| U | 1,811,211 | June 23, 1931 | Insulator Rack Bracket for wireholder rack spools |
PEIRCE, JR., Charles L. |
Bracket | Hubbard & Co. |
| U | 1,822,037 | September 8, 1931 | Method of Making Insulator Racks Method of making rack spool brackets (see 1,794,520) |
KERSCHNER, Richard M. |
Manufacturing | Hubbard & Co. |
| 1932 | ||||||
| U | 1,839,594 | January 5, 1932 | Bracket Bracket for poles for several rack spool wireholders (see reissue 19,473) |
RICK, Karl L. |
Bracket | |
| U | 1,866,104 | July 5, 1932 | Insulator Bracket Wireholder bracket for rack spools |
HEIM, Warren M. |
Bracket | Oliver Iron & Steel Corp. |
| U | 1,873,434 | August 23, 1932 | Supporting Fixture Simply constructed secondary rack with detachable spool insulators. |
LEMONT, Clarence J. |
Bracket/secondary Rack | Line Material Co |
| U | 1,883,818 | October 18, 1932 | Secondary Rack Bracket for rack spools with a plurality of spools for mounting on a building (see 1,779,489) |
PEIRCE, JR., Charles L. |
Bracket | 1/2 to Hubbard & Co. |
| 1933 | ||||||
| U | 1,897,385 | February 14, 1933 | Insulator Bracket and Method of Making the Same Secondary rack for spool insulators and method of manufacture |
FASSINGER, Charles |
Bracket | Oliver Iron & Steel Corp. |
| 1934 | ||||||
| U | 1,961,434 | June 5, 1934 | Adjustable Insulator Bracket Odd bracket for two spools to hold line wire at varying angles when mounted in a tree with a lag screw |
SMEAD, Donald G. |
Bracket | |
| 1935 | ||||||
| U | 2,016,470 | October 8, 1935 | Secondary Rack and the Process of Making Same Simple secondary rack construction to reduce cost. |
WHITE, Leonard H. |
Bracket/secondary Rack | Line Material Co. |
| 1942 | ||||||
| U | 2,287,895 | June 30, 1942 | Secondary Rack Construction Secondary wireholder for rack spools to be mounted on the end of a crossarm |
MACKINNON, Russell H. |
Wireholder | 1/2 to Eugene C. Black |
| U | 2,300,674 | November 3, 1942 | Secondary Rack Bracket for wireholders or rack spools. Each insulator bracket is easily connected or attached to the supporting bracket. |
JOHNS, George McDonald RICHARD, Thomas T. |
Bracket/wireholder | Smith-Johns Inc. |
| U | 2,302,883 | November 24, 1942 | Method of Stringing and Sagging Wires and Apparatus for Use Therein Bracket for wireholders or rack spools that allow the spool insulator to swivel out away from the bracket for easily working on the line wire and insulator (see 2,519,694) |
OLIVIER, Leon J. |
Bracket | |
| 1948 | ||||||
| U | 2,454,677 | November 23, 1948 | Secondary Rack Strong secondary rack bracket that is shorter yet easily bolted in place. |
SMALLEY, Burt M. |
Bracket/secondary Rack | Joslyn Mfg and Supply Co. |
| 1953 | ||||||
| U | 2,650,263 | August 25, 1953 | Bracket Construction Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket. |
STEINMAYER, Alwin G. |
Wireholder/bracket/rack Spool | McGraw Electric Co. |
| 1955 | ||||||
| U | 2,709,058 | May 24, 1955 | Insulator Support Rack Secondary rack bracket with side tabs to receive screws or bolts. |
VOSE, Fred C. BURNIE, Glen RUTH, Bernard W. |
Bracket/secondary Rack | General Electric Co. |
| 1956 | ||||||
| U | 2,740,827 | April 3, 1956 | Insulator Bracket Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket. |
SMALLEY, Burton M. |
Wireholder/bracket/rack Spool | Joslyn Mfg. & Supply Co. |
Total of 0.02 seconds