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 LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (residence = 'Trenton, NJ') ORDER BY last_name ASC, first_name, date, patent, type

Total of 13 patents found where: Residence is 'Trenton, NJ';

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
 ADAM, Carl F.
U 575,090 January 12, 1897 Cleat
Cleat with ridges to hold wire in grooves		 ADAM, Carl F.
 Cleat  
 CROSSLEY, Joseph
U 473,497 April 26, 1892 Pug Mill
Pug mill for extruding clay		 CROSSLEY, Joseph
 Pug Mill  
U 474,496 May 10, 1892 Apparatus for Molding Earthenware, &c.
Press to form lateral indentions or wire grooves around the side of the insulator to such as for standard porcelain knobs		 CROSSLEY, Joseph
 Press  
U 533,212 January 29, 1895 Combined Jigger and Pulldown
Press or jigger gearing and mechanism for forming earthen ware articles such as dishes and pottery		 CROSSLEY, Joseph
 Press  
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  
 DUGGAN, Frederic A.
U 498,539 May 30, 1893 Junction-Block for Electric Fixtures
Cut-out or junction block made in a horseshoe shape		 DUGGAN, Frederic A.
 Fuse Holder  
U Specimen known 508,687 November 14, 1893 Cleat for Electric Wiring
Cleat (2-wire) - 2 piece		 DUGGAN, Frederic A.
 Cleat  
 FREEMAN, Edgar H.
U Specimen known 1,147,498 July 20, 1915 Divided Insulator
Reversible nail-knob		 FREEMAN, Edgar H.
 Knob Trenton Porcelain Co.
 PRICKETT, William H.
U 1,374,029 April 5, 1921 Tone Foot for Phonographs
A rubber base with glass insert to support phonograph legs		 PRICKETT, William H.
 Piano  
 SIMCOE, George
U 1,072,999 September 9, 1913 Tubular Insulator
miscellaneous		 SIMCOE, George
 Miscellaneous  
 SINCLAIR, Herbert
U Specimen known 806,588 December 5, 1905 Electrical Insulator
Oval shaped nail-knob with saddle top for cap to fit over the saddle		 SINCLAIR, Herbert
 Knob  
U Specimen known 855,208 May 28, 1907 Insulator
nail-knob with top part fitting inside the bottom and with an offset nail hole. Specimen was found at Star Porcelain Co. dump with embossed marking IDEAL.		 SINCLAIR, Herbert
 Knob  
 SORTWELL, Harold H.
U 1,633,462 June 21, 1927 Ceramic Insulating Material
Clay mixture to produce a black porcelain body.		 SORTWELL, Harold H.
 Porcelain Star Porcelain Co.

Total of 0.01 seconds