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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'The Porcelain Insulator Corp.') ORDER BY date ASC, patent, type

Total of 10 patents found where: Assigned To is 'The Porcelain Insulator Corp.';

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T / S Patent Date Description Patentee Category Assigned To
 1925
U 1,553,356 September 15, 1925 Machine for Producing Threads or Grooves in Plastic Articles
Threading method whereby mandrel rotates (similar to Lapp wobbler method)		 BENNETT, Cornelius Van Dyke
 Thread The Porcelain Insulator Corp.
U 1,558,498 October 27, 1925 Method of Making Insulators
Multipart, cementing of sections (see Pinco catalog page 3)		 PECK, John M.
BENNETT, Cornelius Van Dyke
RYAN, James W.
 Multipart The Porcelain Insulator Corp.
U 1,558,499 October 27, 1925 Insulator Construction
Multipart cementing of sections using resilient cement and non-resilient cement		 PECK, John M.
 Multipart The Porcelain Insulator Corp.
U 1,567,027 December 29, 1925 Insulator Threading Machine
Machine to form threads in plastic clay		 BENNETT, Cornelius Van Dyke
 Press The Porcelain Insulator Corp.
 1927
U 1,645,447 October 11, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble		 PECK, John M.
 Suspension The Porcelain Insulator Corp.
U 1,649,853 November 22, 1927 Sectional Insulator
Multipart design with nested parts forming the cement joints		 PECK, John M.
 Multipart The Porcelain Insulator Corp.
U 1,653,117 December 20, 1927 Suspension Insulator
Suspension, method of cementing metal bolt using flexible thimble		 PECK, John M.
 Suspension The Porcelain Insulator Corp.
 1944
U 2,361,109 October 24, 1944 Insulating Protector for Conducting Wires
Tree insulator to protect the wire		 KENNEALLY, Martin M.
 Tree The Porcelain Insulator Corp.
 1948
U 2,437,559 March 9, 1948 Insulator and Method of Manufacturing Same
Addition of powdered aluminum to improve quality of porcelain		 ROWLAND, Davidge H.
 Manufacturing The Porcelain Insulator Corp.
 1960
U Specimen known 2,921,112 January 12, 1960 Electric Conductor Strand Separator Insulator
Spacer for conductors		 DYKSTRA, Laurence J.
GRILLS, Lee J.
 Spacer The Porcelain Insulator Corp.

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