| 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 = '72') ORDER BY date ASC, patent, type |
Total of 14 patents found where: Class is '72';
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 |
| 1859 | ||||||
| U | 25,534 | September 20, 1859 | Machine for Making Lightning Rods Machine for making corrugated, twisted lightning rods out of sheet metal |
STEARNS, Charles |
Lightning Rod Machine | |
| 1860 | ||||||
| U | 28,397 | May 22, 1860 | Improvement in Making Sheet Metal Caps & c. Method of making screw caps |
NEWTON, Orrin |
HU | |
| 1869 | ||||||
| U | 93,609 | August 10, 1869 | Improvement in Lightning Rods Method of making star shaped lightning rods with silver plated points |
FOOT, David A. CHADWICK, Avery |
Lightning Rod | |
| 1870 | ||||||
| U | 107,051 | September 6, 1870 | Improvement in Machines for Making Tubular Lightning Conductors Machine for making corrugated lightning rods out of sheet metal |
HOUSEL, Benjamin F. THAYER, Simeon O. |
Lightning Rod Machine | |
| 1871 | ||||||
| U | 116,453 | June 27, 1871 | Improvement in Machines for Joining Tubular Lightning Rods Machine or dies for opening one end of a tubular lightning rod and compressing the end of another rod section so the two ends fit together and secured by soldering |
KNAPP, George S. |
Lightning Rod Coupling | |
| 1875 | ||||||
| U | 161,912 | April 13, 1875 | Improvement in Modes of Forming Sheet Metal Threaded Collars Oil lamp collar |
TAPLIN, Alvin |
HU | |
| 1878 | ||||||
| U | 202,578 | April 16, 1878 | Improvement in Machines for Making Lightning Rods Portable machine to make lightning rods mounted in a wagon |
PATEE, Theodorus H. |
Lightning Rod Machine | |
| 1879 | ||||||
| R | 8,696 | May 6, 1879 | Improvement in Machines for Making Lightning Rods Machine for making lightning rods (see 161,541) |
MUNN, William B. |
Lightning Rod Machine | |
| 1884 | ||||||
| U | 297,291 | April 22, 1884 | Portable Lightning Rod Machine Portable machine to make lightning rods |
PATEE, Theodorus H. |
Lightning Rod Machine | |
| 1885 | ||||||
| U | 323,105 | July 28, 1885 | Machine for Making Lightning Rod Connections Machine for making lightning rod connectors |
BRADLEY, Sylvester |
Lightning Rod Machine | |
| 1909 | ||||||
| U | 941,032 | November 23, 1909 | Process of Manufacturing Insulators Press to mold and produce composition strain insulator |
MCCARTHY, Louis |
Press | The Macallen Co. |
| 1929 | ||||||
| U | 1,702,237 | February 12, 1929 | Process of Manufacturing Insulator Pins Easily manufactured steel pin |
AUSTIN, Arthur O. |
Pin | The Ohio Brass Co. |
| U | 1,707,668 | April 2, 1929 | Insulator Support Secondary rack stamped out of one piece of sheet metal. |
MANSON, Ralph H. |
Bracket/secondary Rack | Hubbard and Co. |
| 1938 | ||||||
| U | 2,111,505 | March 15, 1938 | Method of Making a Forged Clamp Method of making the curved dead-end clamp described in patent 1,901,345. |
CARD, Charles S. |
Suspension | The Brewer-Titchener Corp. |
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