The Want List
All photos on this page are from the www.insulators.info web site.All drawings are Consolidated Design drawings copyright © N.R. Woodward
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CD 139 | COMBINATION SAFETY | |
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CD 174 | BROOKFIELD | |
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CD 176 | WHITALL TATUM | Mushroom |
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CD 186 | HEMINGRAY | Hemi-19, hole through dome |
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CD 204 | LOCKE or NO EMBOSSING | Cross Top |
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CD 207 | B | Renault's Patent |
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CD 243 | HEMINGRAY | Hemi-88 |
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CD 244 | NO EMBOSSING | Pomona |
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CD 250 | N.E.G.M.CO. | Sim CD 251, no inner skirt |
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CD 268 | THE CROWN |
Crown Jewels of the Wire back issues all '69 and '70, 7/72, 9/72, 1/73, 2/73, and 8/90.
Woodward's Glass Insulator in America 1965 and 1975 Reports
Insulators with the following Patent Dates
| Date | Description |
|---|---|
| October 14, 1851 | Yandell Yandell Cylinder glass block. |
| February 20, 1870 | Embossing Error Embossing Error -- should be 02-22-70. |
| March 20, 1870 | Embossing Error Embossing Error -- should be 02-20-77. |
| March 25, 1870 | |
| April 4, 1870 | Embossing Error Embossing Error -- should be 04-04-71. |
| May 31, 1870 | Brookfield, J.M. Mode of forming glass insulators. |
| July 26, 1870 | Oakman, Samuel Insulator with Slotted Pinhole. |
| January 3, 1871 | Garrity, John Garrity. |
| April 4, 1871 | Brookfield, W. Mode of making telegraph insulators. |
| May 16, 1871 | Chester, Stephen Metal Ring with 3 fingers to receive tie wire. |
| February 20, 1872 | Prevent accumulation of dust and dirt on surface, reduce the points of contact with the conducting wire. |
| October 15, 1872 | Oakman, Samuel Segmented thread insulator (3 Segments). |
| October 15, 1872 | Oakman, Samuel Segmented thread insulator (4 segments). |
| February 6, 1877 | Seiler, Paul Wire groove composed of projections. |
| March 22, 1877 | Embossing Error Embossing Error -- should be 03-20-77. |
| August 14, 1877 | Chambers, Joseph Insulator for lightning rod. |
| January 25, 1879 | Embossing Error Embossing Error -- should be 01-25-70. |
| February 22, 1879 | Embossing Error Embossing Error -- should be 02-22-70. |
| February 12, 1881 | Embossing Error Embossing Error -- should be 02-12-84. |
| July 1, 1882 | |
| August 14, 1883 | Johnson, Mathew Hand press for making insulators. |
| January 29, 1884 | |
| April 22, 1884 | Threadless pin arrangement. |
| August 11, 1885 | Pennycuick, James G Method of forming threads in glass. |
| May 7, 1889 | Locke, Fred M & Lapp Design to prevent the popping off of an insulator. |
| May 6, 1890 | Buzby, J. F. No Tie Design. |
| December 23, 1890 | Foree Bain Ridges around outside of skirt to increase leak distance. |
| April 30, 1891 | Locke, Fred M. Locke CD 342. |
| June 17, 1893 | Embossing Error Embossing Error -- should be 06-17-90. |
| August 8, 1893 | Gray, Lawrence Standard CD 268.5. |
| August 29, 1893 | Blackburn, George A block of insulating material with a bail shaped clamping lever adpated to receive a line wire. |
| September 25, 1894 | Osyor, David Jeffrey Mine Insulator. |
| September 3, 1895 | Rothenberger, D.M. Hole through crown for tie wire. |
| April 7, 1896 | Rappleye, Hannibal W Method of attaching line wire. |
| May 22, 1896 | Embossing Error Embossing Error -- should be 05-22-94. |
| May 24, 1896 | Embossing Error Embossing Error -- should be 11-24-96. |
| November 2, 1896 | Embossing Error Embossing Error -- should be 11/24?6/96. |
| November 26, 1896 | Locke, Fred M. Locke CD 342 High tension insulator. |
| January 4, 1898 | Brookfield, H.M. Press for making insulators. |
| June 7, 1898 | Mershon, Ralph Long interior skirt + ridges. |
| December 15, 1898 | Embossing Error Embossing Error -- should be 12-15-96. |
| March 21, 1899 | Harloe and Bloes 3 finger type wire attachment. |
| May 7, 1899 | Locke-Lapp CD 289.9. |
| October 10, 1899 | Beal, Carroll Insulator for mounting under cross arm. |
| April 10, 1900 | Brookfield and Kribs Press for molding insulators. |
| December 25, 1900 | Renault, Edward No Tie Design. |
| March 12, 1901 | Harloe, Morton Two piece insulator. |
| November 12, 1901 | Hemingray. |
| April 29, 1902 | Locke, Fred M. Locke CD 342 -- sleeve to protect pin. |
| June 10, 1902 | Converse, Vernon G. High Voltage Insulator. |
| December 9, 1902 | Harloe, Morton Saddle groove formed by 3 alternating projections. |
| August 4, 1903 | Converse, VernonG. Converse. |
| November 17, 1903 | Schoenthaler, E.F. No Tie Design. |
| April 26, 1904 | Cutter, Scott Tree insulator. |
| August 29, 1905 | Twiggs, William No Tie Design. |
| March 24, 1908 | Storrer, Leonard No Leak. |
| February 23, 1909 | Johnson and Watson Molding plunger which forms longitudinal grooves in the pinhole. |
| March 31, 1914 | Locke, Fred M. Locke CD 241. |
| February 2, 1915 | Locke, Fred M. Locke CD 241. |
| October 12, 1915 | Locke, Fred M. Locke CD 241. |
| June 12, 1917 | Irwin, John J. Saddle Top. |
| May 27, 1919 | Roberts, Omer Base slides on peg, cap screws on. |
| August 13, 1924 | Cutter, Scott Tree Insulator. |
| April 29, 1929 | Wilson, Leon T. Low Loss Design. |
| June 3, 1930 | Gordon, Chester S. Pyrex Transposition CD 194.5, 195.5. |
| July 11, 1939 | Wheeler & McGinnis Threading on the inside of the single petticoat, glass insert to protect the insulator from the pin, and an anodized coat to reduce water adherence. |
| March 19, 1940 | Wheeler & McGinnis Threading on the inside of the single petticoat, glass insert to protect the insulator from the pin, and an anodized coat to reduce water adherence. |
| February 7, 1956 | Bonnesen, Elmer J. The provision of a multiple groove composit type transposition insulator which will have greater mechanical strength than presently known insulators. |