| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Protective Shield') ORDER BY date ASC, patent, type |
Total of 16 patents found where: Category is 'Protective Shield';
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 | 445,008 | January 20, 1891 | Insulator Protective shield for trolley hanger insulator |
VOGLER, William |
Protective Shield | |
| 1894 | ||||||
| U | 527,317 | October 9, 1894 | Insulator Protective shield for wire groove |
BULLOCK, Edward J. |
Protective Shield | |
| 1896 | ||||||
| U | 566,045 | August 18, 1896 | Insulator for Electrical Purposes Protective shield of metal with non-conducting enameled coating |
WHITAKER, Alfred J. P. TREHARNE, Frederick G. |
Protective Shield | |
| 1905 | ||||||
| U | 787,442 | April 18, 1905 | Insulator for Electric Wires Protective shield |
FLYNT, Samuel B. MAIDEN, Leaman A. |
Protective Shield | |
| 1909 | ||||||
| U | 909,935 | January 19, 1909 | Protected Insulator Protective shield |
REA, John H. B. |
Protective Shield | |
| U | 930,750 | August 10, 1909 | Insulator Protective shield & splash preventor on pin under insulator |
GRAHAM, Charles M. |
Protective Shield | |
| 1911 | ||||||
| U | 983,039 | January 31, 1911 | Insulator Protector Protective shield |
FIELD, John E. |
Protective Shield | |
| U | 1,010,181 | November 28, 1911 | Electric Cable Protector Protective shield mounted on top of the insulator to support the conductor. |
SANDFORD, JR., Joseph Addison |
Protective Shield | The R. Thomas & Sons Co. |
| 1914 | ||||||
| U | 1,088,278 | February 24, 1914 | Rain Guard for Insulators Protective metal rain guard for bottom of skirt |
HOLMES, Minot K. |
Protective Shield | Hemingray Glass Co. |
| 1916 | ||||||
| U | 1,176,590 | March 21, 1916 | Protected Insulator Two part round or ball-shaped insulator secured with a metal cover. The line wire is clamped between the two insulator parts and the metal protective cover holds the parts securely against the wire. |
MOCK, John H. |
Protective Shield | |
| U | 1,177,867 | April 4, 1916 | Insulator Protector Protective shield of metal to protect glass insulator |
JOHNSON, August |
Protective Shield | |
| 1918 | ||||||
| U | 1,277,304 | August 27, 1918 | Metal Protected High Voltage Insulator Protective shield of metal to protect insulator |
GATI, Bila |
Protective Shield | |
| U | 1,280,172 | October 1, 1918 | Insulator Protector Protective shield surrounding the insulator to protect it from damage. |
CULLIGAN, Charles A. |
Protective Shield | |
| 1928 | ||||||
| U | 1,659,731 | February 21, 1928 | Insulator Protective shield |
GREEN, Estill I. |
Protective Shield | American Telephone & Telegraph Co. |
| U | 1,678,663 | July 31, 1928 | Insulator Protective shield |
WILSON, Leon T. |
Protective Shield | American Telephone & Telegraph Co. |
| 1938 | ||||||
| U | 2,135,558 | November 8, 1938 | Insulator Shield Protective shield |
BOTT, Perry J. |
Protective Shield | |
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