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Total of 47 patents found where: Year is 1930

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T / S	Patent	Date	Description	Patentee	Category	Assigned To
U	1,742,628	January 7, 1930	High Tension Insulator Fog type suspension & pin-type insulator with external petticoats (see 1,858,611) Patent was owned by Lapp Insulator Co.	BARFOED, Svend	Fog Type
U	1,744,674	January 21, 1930	Insulator Pin Pin that holds insulator at an angle against strain on turns in the conductor	PORTER, Edward Y.	Pin
U	1,748,884	February 25, 1930	Leakproof Insulator Bell shaped radio antenna insulator to protect wire from getting wet from rain or snow.	KITTS, David Roscoe	Antenna
U	1,754,101	April 8, 1930	Insulator and Mold for Casting the Same Hewlett style insulator made by casting	HAQUIN, Henri Louis Joseph	Suspension
U	1,759,253	May 20, 1930	Insulator Suspension insulator assembly with porcelain insulator in compression without the need for cement.	GERHARDT, Roy C.	Suspension
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	1,772,184	August 5, 1930	Dead End Wire Connection Deadend insulator with insulator that fit in steel loop bracket (RACO deadend bracket)	LAVARACK, William H. B. PATTERSON, Ray	Deadend
U	1,776,538	September 23, 1930	Apparatus for Serving Glass Method of delivering molten slugs of glass	BROOKE, Homer	Manufacturing
U	1,779,811	October 28, 1930	Method of Manufacturing Insulators Press for making skirts/petticoats in one-piece porcelain (replaces casting)	HARVEY, William F.	Press
U	1,786,458	December 30, 1930	Insulating Nontilting Stool Insulated stool composed of multiple plies of hardwood with extended legs. Pintype insulators are used to support the legs and insulate the stool.	SHIPMAN, Emanuel F.	Stool
		American Telephone & Telegraph Co.
U	1,760,983	June 3, 1930	Insulator CD 194.5, CD 195.5 transposition	GORDON, Chester S. LOWE, James T.	Insulator	American Telephone & Telegraph Co.
		Claud Neon Lights, Inc.
U	1,755,971	April 22, 1930	Insulator Neon, knob to support wires for neon sign (""spook"" insulator)	SMALLEY, Robert C.	Neon	Claud Neon Lights, Inc.
		Electric Service Supplies Co.
U	1,755,308	April 22, 1930	Apparatus for Finishing Insulator Shells Machine to form grooves inside the suspension disk to aid cement adhesion.	SMITH, William Henry	Suspension	Electric Service Supplies Co.
U	1,758,462	May 13, 1930	Insulator Multipart cementing technique using Portland cement with a resilient alumina cement followed by a high humidity curing process	OSBORNE, David Henry	Multipart	Electric Service Supplies Co.
U	1,776,795	September 30, 1930	Coupling for Wires and Cables Metal cap for suspension insulator with cotter pin to prevent the pin from slipping out of the cap.	OSBORNE, David Henry	Suspension	Electric Service Supplies Co.
		Harry McLain
U	1,755,587	April 22, 1930	Insulating Device Crossover	BROAD, William	Crossover	3/4 to Harry McLain
		Hemingray Glass Co.
D	82,326	October 21, 1930	Design For a Bottle Graf's Zep soda bottle	HOLMES, Minot K.	HI	Hemingray Glass Co.
		Hubbard & Co.
U	1,743,552	January 14, 1930	Pin Type Insulator Pin with sharp pointed threads that engage the insulator only at the tips of the threads and insulator with shallow depressions in the pinhole rather than threads	KERSCHNER, Richard M.	Pin	Hubbard & Co.
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.
		Line Material Co.
U	1,749,915	March 11, 1930	Insulator Rack Wireholder mounted on a rack	KYLE, William D.	Wireholder	Line Material Co.
U	1,779,501	October 28, 1930	Insulator Wireholder with lag screw	STEINMAYER, Alwin G.	Wireholder	Line Material Co.
		Locke Insulator Corp.
U	1,772,513	August 12, 1930	Insulator Design to allow the lowermost Hewlett disk to have its underside wetted with rain equally with disks above	HAWLEY, Kent Allen	Suspension	Locke Insulator Corp.
U	1,776,557	September 23, 1930	Pedestal Insulator Pedestal insulator similar to suspension disk with metal cap and pin to bolt other units to	HAWLEY, Kent A.	Pedestal	Locke Insulator Corp.
U	1,776,573	September 23, 1930	Insulator Cementing treatment for a suspension insulator such that the cement will withstand temperature changes	VAN ATTA, Cloyd A.	Suspension	Locke Insulator Corp.
U	1,778,152	October 14, 1930	Multiple Skirt Suspension Insulator Odd two-disk suspension made in one piece with metal caps on each end	HAWLEY, Kent A.	Suspension	Locke Insulator Corp.
U	1,778,153	October 14, 1930	Insulator Pin Centering Means Suspension disk with large opening for additional cement around the pin and a means to keep the pin centered	HAWLEY, Kent A.	Suspension	Locke Insulator Corp.
U	1,778,154	October 14, 1930	Cushion for Insulator Pins and Method of Applying Suspension disk or pin-type pin with asphalt disk at top of pin to cushion strain of pin	HAWLEY, Kent A.	Suspension	Locke Insulator Corp.
U	1,778,176	October 14, 1930	Insulator Suspension design using soft metal liner to prevent strain between cap and insulator	VAN ATTA, Cloyd A.	Suspension	Locke Insulator Corp.
U	1,780,246	November 4, 1930	Glass Insulator and Method of Making Same Suspension glass Hewlett design with embedded/loose fitting metal brackets	ROWLAND, Davidge H.	Suspension	Locke Insulator Corp.
U	1,784,392	December 9, 1930	Manufacture of Insulators Suspension insulator with glazed sanded surfaces to improve strength of cap	ROWLAND, Davidge H.	Suspension	Locke Insulator Corp.
U	1,784,792	December 9, 1930	Apparatus for Making Insulators Manufacturing method that replace casting large unipart insulators with a means to press out the entire form of the insulator	HAWLEY, Kent A.	Manufacturing	Locke Insulator Corp.
		Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
U	1,772,947	August 12, 1930	Electric Insulator Protective metal shield to cover linkage or connectors for suspension disks to prevent moisture damage to threaded connectors	HOFFMAN, Gottfried	Suspension	Motor-Columbus Aktiengesellschaft Fur Elektrische Unternehmungen
		Owens-Illinois Glass Co.
U	1,764,268	June 17, 1930	Glass Forming Machine Machine to form threads in glass articles such as insulators. (see patent 1,185,687)	LA FRANCE, Richard	Manufacturing	Owens-Illinois Glass Co.
		RCA
U	1,761,046	June 3, 1930	Transposition Device Transposition ring for radio line	PFAUTZ, Christian E.	Transposition	RCA
		Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H.
U	1,742,625	January 7, 1930	Process of Uniting by Sealing the Insulating Parts of High Tension Insulators Cement of rubber used to cement multipart insulator	WECKERLE, Ferdinand	Cement	Studiengesellschaft Fuer Wirtschaft U. Industrie, M. B. H.
		The Ohio Brass Co.
U	1,750,699	March 18, 1930	Process and Apparatus for Testing Insulators Apparatus to run a high voltage test on insulators (see 1,796,427)	AUSTIN, Arthur O.	Manufacturing	The Ohio Brass Co.
U	1,750,769	March 18, 1930	Insulator Pin Steel pin with rolled threads and support on top of crossarm	AUSTIN, Arthur O.	Pin	The Ohio Brass Co.
U	1,750,770	March 18, 1930	Insulator Pin Steel pin with supporting base that fits over top and edge of wooden crossarm	AUSTIN, Arthur O.	Pin	The Ohio Brass Co.
U	1,783,271	December 2, 1930	High Potential Installation Use of flux control arcing horns (see 1,552,664) to control flashover on towers using strings of suspension disks (see 1,783,272)	AUSTIN, Arthur O.	Transmission	The Ohio Brass Co.
U	1,783,272	December 2, 1930	Support for Transmission Lines Orientation of tower supporting transmission line using flux control arcing harms (see 1,783,271)	AUSTIN, Arthur O.	Transmission	The Ohio Brass Co.
		The R. Thomas & Sons Co.
U	1,755,032	April 15, 1930	Insulator Post insulator made up of Hewlett disks	SLEEMAN, Harold P.	Post Type	The R. Thomas & Sons Co.
U	1,760,786	May 27, 1930	Coupling for Insulators Two part metal coupling to link Hewlett disks together	SLEEMAN, Harold P.	Suspension	The R. Thomas & Sons Co.
		Western Union Telegraph Co.
U	1,744,566	January 21, 1930	Ground Resistance Test Set Portable instrument to measure electrical ground resistance	MOTT, Everett V. ROVERE, Lewis H. ROWLAND, Davidge H.	Testing	Western Union Telegraph Co.
		Westinghouse Electric & Mfg. Co.
U	1,764,434	June 17, 1930	Insulator Wood strain insulator with coating such as rubber over the metal ends and extending only a short distance to prevent burning the insulator from corona	COCHRAN, Paul B.	Strain	Westinghouse Electric & Mfg. Co.
U	1,768,948	July 1, 1930	High Voltage Insulator Suspension insulator	BAUM, Frank G.	Suspension	Westinghouse Electric & Mfg. Co.
U	1,782,790	November 25, 1930	Insulator Strain insulator composed of a wooden strain sealed inside porcelain tubular shell that is filled with non-conducting oil	MILLER, Frederic H. JACKSON, Ray P.	Strain	Westinghouse Electric & Mfg. Co.

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