This page lists patents to persons with the Piggin(s) name and links to patent databases.
Charles R. PIGGINS
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
Harry S. PIGGINS
Milwaukee, Wisconsin
- Hook (of blank sheet metal, rear part four layers in thickness)
No. US502529:
PIGGINS 1893-08-01
Henry Frederick Piggin CATON
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
John Henry PIGGIN
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
William S PIGGINS
Detroit, Michigan
- Concrete construction (prefabrication for buildings)
No. US1380324:
PIGGINS 1921-05-31
Theses