Piggin One-Name Study: Patents and Theses

This page lists patents to persons with the Piggin(s) name and links to patent databases.

Racine, Wisconsin

Lifting jack (construction is simplified, can lock the lever in position with the weight raised)
No. US446537: PIGGINS 1891-02-17
Electric signal device (for mail delivery box)
No. US504745: PIGGINS 1893-09-12
Casing and Cylinder Construction for Gas Engines
No. US898678: PIGGINS with Frederick H. PIGGINS 1908-10-15
Driving axle for automobiles and trucks (rear axle geared with a pair of propelling shafts contained in an external shaft casing: either rear wheel may rise or fall independent of the other rear wheel)
No. US1117700: PIGGINS 1914-11-17
Automobile signal (arm with electric lamp to be swung out from the side of the automobile, switch can also sound horn)
No. US1286403: PIGGINS 1918-12-03
Steering-post lock (to prevent unauthorized use of the car, adapted for attachment to cars without being built in)
No. US1347871: PIGGINS with Frederick H. PIGGINS 1920-07-27
Carburetor heater (for motor-vehicles without built-in heaters: device may be quickly applied without necessity of special fitting)
No. US1413681: PIGGINS with William C. HANSON 1922-04-25

Milwaukee, Wisconsin

Hook (of blank sheet metal, rear part four layers in thickness)
No. US502529: PIGGINS 1893-08-01

77 Kenilworth Rd, Coventry, Warwickshire

Improvements relating to horticultural frames (metal, for cloches)
No. GB582868: CATON 1946-11-29
Improvements relating to electric fires (guard which will also support a slice of bread so it can be toasted or a kettle so it can be heated)
No. GB603925: CATON with Gerald Neil PRITTY 1948-06-25
Electric fires (heating elements offset so as to be substantially out of sight)
No. GB603926: CATON with Gerald Neil PRITTY 1948-06-25
Electric fires (with reflecting member formed to simulate the petals of an appropriate flower, for example a water-lily, Arum-lily, rose or the like)
No. GB606312: CATON with Gerald Neil PRITTY 1948-08-11
Electric fires (formed as a fire-screen to be left on the hearth in the summer)
No. GB606313: CATON with Gerald Neil PRITTY 1948-08-11
Electric fires (having a concave reflector which is of generally parabolic shape: heat rays directed over a wide area)
No. GB611798: CATON with Gerald Neil PRITTY 1948-11-03
Panelling, particularly for bathrooms, kitchens and the like, of metal sheets, edges turned to provide a continuous hook
No. GB613536: CATON with Gerald Neil PRITTY 1948-11-30

250 Woodborough Road, Nottingham

Improvements in over-edge stitching machines (two loopers work in conjunction with a reciprocating needle and thread guide)
No. GB191217675: PIGGINS mechanic, with Fred KAY 1913-07-24

Detroit, Michigan

Concrete construction (prefabrication for buildings)
No. US1380324: PIGGINS 1921-05-31

Theses