Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1904-00-00' AND date < '1905-00-00') ORDER BY specimen ASC, date, patent, type

Total of 53 patents found where: Year is 1904

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
 1904
U 749,335 January 12, 1904 Insulator
Electrose insulator to hold heavy conductor on top (similar to 578,825)
STEINBERGER, Louis
Electrose  
U 750,209 January 19, 1904 Automatic Turning Machine
Insulator pin threading device
MAGERS, Bonneventure T.
Pin The Indianapolis Arm, Bracket and Pin Co.
U 750,722 January 26, 1904 Insulator
Metal encased insulator with metal cap to hold cable (Brown p. 25)
STEINBERGER, Louis
Metal  
U 751,459 February 9, 1904 Line Insulator
Odd arrangement of two ribbed spools supporting a third ribbed spool to support the line wire
CHESNEY, Cummings C.
Miscellaneous  
U 751,664 February 9, 1904 Electric Insulator
Composition insulator of asbestos (Brown p. 57 & 71)
LYMAN, Thomas T.
Composition H. W. Johns-Manville Co.
U 751,739 February 9, 1904 Insulator
Clamp type
LINDAL, Peter S.
Clamp Type  
U 751,831 February 9, 1904 Insulator Pin
Pin (metal) with webs and circular member to support inside surface of skirt
BULLARD, James H.
Pin  
U 751,841 February 9, 1904 Thread Cutting Machine
Insulator pin threading device
ENSIGN, George A.
Pin Defiance Machine Works
U 753,398 March 1, 1904 Cleat for Electric Wiring
Knob - 2-piece with base cut at an angle
HUNT, Emory C.
Knob 1/2 to Charles Snyder
U 754,123 March 8, 1904 Insulator Pin
Pin (metal) with webs made to reduce weight
BULLARD, James H.
Pin  
U 756,026 March 29, 1904 Insulator
Tree hanger
KINSLEY, William S.
BELL, Stewart S.
Tree  
U 756,627 April 5, 1904 Insulator
Clamp type 2-piece with horseshoe nail holder
HANSON, John A.
LAMBERT, Albert F.
Clamp Type  
U 756,724 April 5, 1904 Insulator
Cleat - self-tying
SNODGRASS, John C.
Cleat  
U 756,895 April 12, 1904 Process of Manufacturing Glass Articles
Glass working machine elimating the gatherer & shearer
RICHARDSON, JR., Solon O.
Bottle  
U 757,765 April 19, 1904 Insulator
Cleat - self-tying
OSBORNE, John W.
Cleat  
U 758,179 April 26, 1904 Supporting Pin for Line Insulators
Steel pin with porcelain base and metal cap
HILLIARD, JR., John D.
Pin  
U 758,986 May 3, 1904 Tubular Insulator
Cylindrical insulator
LOCKE, Fred M.
Cylinder  
U 759,276 May 10, 1904 Insulator for Telegraph Wires
Self-tying screw top
HOBERT, Clayton
Self-tying Screw Top  
U 759,429 May 10, 1904 Machine for Heading Insulators
Machine for forming the heads on pottery or porcelain wall tubes
FIRESTONE, Truman L.
Wall Tube  
U 760,620 May 24, 1904 Insulator Bracket
Bracket with lag screw to mount a glass insulator
GRANT, Francis Jones
Bracket  
U 761,102 May 31, 1904 Insulator
Insulator for carrying heavy cables composed of cap over the top to surround the conductor to prevent sparking and electrical leakage
RANDOLPH, Leonard M.
Insulator  
U 761,326 May 31, 1904 Machine for Molding Insulators
Press for making insulators
SCHORLING, William H.
Press Henry M. Brookfield
U 761,553 May 31, 1904 Third Rail Support
Third rail insulator made of Electrose
STEINBERGER, Louis
Third Rail  
U 761,814 June 7, 1904 Combined Insulator and Fuse Box
Combined insulator and fuse box (see CJ & Brown's Unique p. 67)
BEARSE, Aaron
Combined Ins  
U 762,297 June 14, 1904 Third Rail Insulator
Third rail insulator with enameled top and bottom plate
FRITZE, Henry L.
Third Rail  
U 763,434 June 28, 1904 Insulating Support for Electric Third Rails
Third rail insulator with metal bracket that fits in grooves on the upper sides of the insulator.
SLATER, Frederick R.
Third Rail 1/2 to Robert W. Lyle
U 764,384 July 5, 1904 Insulating Support for Electric Third Rails
Third rail insulator that screws into metal support ahd has a threaded hole in top to receive the metal rail support.
SLATER, Frederick R.
Third Rail Bleecker S. Barnard
U 769,639 September 6, 1904 Cleat for Electric Conductors
Cleat - 2-piece bolted together
SARGENT, Howard R.
Cleat General Electric Co.
U 770,278 September 20, 1904 Insulation Rack
Cleat - rack type
FLETCHER, John R.
Cleat  
U 770,960 September 27, 1904 Third Rail Insulator
Third rail insulator with metal cap to hold the rail and a metal clip to secure the insulator to the metal support.
DUNBAR, Robert V.
Third Rail  
U 770,962 September 27, 1904 Insulator
Self-tying groove top and screw wire clamp
GILL, Jacob F.
Self-tying Miscellaneous  
U 770,999 September 27, 1904 Wire Support
Metal support shaped such that the conductor is pinched in the V-groove. The metal support fits inside a tubular insulator made of glass, porcelain or rubber that fits in a hole drilled in the crossarm.
BETTMANN, Charles Frederick
ZAPP, John
Wire Support  
U 771,297 October 4, 1904 Insulator
Oil reservoir for transformer insulator
CHESNEY, Cummings C.
Oil Stanley Electric Mfg. Co.
U 771,334 October 4, 1904 Third Rail Insulator
U-shaped third rail insulator metal caps fitting over each part to support rails.
STEWART, JR., Samuel B.
Third Rail General Electric Co.
U 771,483 October 4, 1904 Glass Mold
Glass press that can be adapted for insulator manufacture
MYERS, McClelland
Press 1/2 to John P. Elkins
U 771,557 October 4, 1904 Apparatus for Screening Liquid Clay
miscellaneous apparatus for screening liquid clay
LOCKE, Fred M.
Miscellaneous  
U 772,132 October 11, 1904 Filter Cloth
Design of filter cloth for filter press that reduces the water content of clay
CROSSLEY, Joseph
Filter Press  
U 772,553 October 18, 1904 Insulator Pin
Pin (metal) composed of bars or rods attached to a metal plate
BULLARD, James H.
Pin  
U 773,733 November 1, 1904 Insulator
Wall tube with ribs and metal clip
GREENE, Leon W.
Wall Tube  
U 773,768 November 1, 1904 Molding Machine
Press, automatic
SCHORLING, William H.
Press Henry M. Brookfield
U 774,765 November 15, 1904 Art and Method of Manufacturing Earthenware Insulators
Earthenware, manufacture of
LOCKE, Fred M.
Earthenware  
U 775,592 November 22, 1904 Insulating Support for Electric Third Rails
Third rail with two bolts to secure it to the support and a metal cap to secure the rail.
BARARD, Walter Hubbard
Third Rail  
U 775,812 November 22, 1904 Insulator Support
Pin design made from sheet metal with partial threads on one side
FAIRBANKS, Ernest Hayward
Pin  
U 775,986 November 29, 1904 Insulator
miscellaneous with flared skirt to hold paraffin
OAKMAN, Samuel
Miscellaneous Luther A. Wright
U 776,514 December 6, 1904 Cleat for Electric Wiring
Knob - split
HUNT, Emory C.
Knob 1/2 to C. W. E. Snyder
U 776,789 December 6, 1904 Insulator
Skirts are horizontal
LOCKE, Fred M.
Skirt  
U 778,005 December 20, 1904 Electric Insulator
Pin hole with groove inside of pin hole & on pin
BOOKER, Charles
Pin  
U 778,420 December 27, 1904 Device for Attaching Insulators to Crossarms
miscellaneous device for attaching insulator to crossarm
LOCKE, Fred M.
Miscellaneous  
U Specimen known 749,867 January 19, 1904 Method of Securing Electric Wires
Tie wire made from flat ribbon
KLINE, Alexander
Tie Wire  
U Specimen known 758,175 April 26, 1904 Insulator
CD 1038 tree hanger
CUTTER, Scott C.
Insulator  
U Specimen known 761,760 June 7, 1904 Insulator
Multipart lily shell design (M-3740)
CHESNEY, Cummings C.
Insulator Stanley Electric Mfg. Co.
U Specimen known 767,948 August 16, 1904 Insulator
Deadend insulator
LOCKE, Fred M.
Deadend  
U Specimen known 753,399 March 1, 1904 Combination Bracket and Knob for Electric Conductors
nail-knob with hole in the top and two side groove for tie-wire (see Western Electrician 4-29-1905)
HUNT, Emory C.
Knob 1/2 to Charles Snyder

Total of 0.04 seconds