Slot Machine Patents (by date)

Patents are invaluable for research and restoration, recording in detail innovative and successful designs and others which never went into production, or of which no examples survive. If you find others, please add them. Many from 1890 onwards are online at Espacenet.

Back to the Archive

Category Archives: Patents


YearPat. №PatenteeDescriptionAdded
1941 GB552202Alfred Leonard Walton 'Rotary Merchandiser' elaboration 14/05/17
1942 GB543028Clement Garrett & Co. Ltd. Improved vending machine 19/09/19
1942 GB550228Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd Coin-controlled vending 03/11/18
1942 GB563116Leslie Clifford Bradley Coin (etc.) freed mechanism 14/05/17
1943 GB554072Leslie Clifford Bradley Improved allwin design 14/05/17
1943 GB554073Leslie Clifford Bradley Improved allwin design 14/05/17
1943 GB556021Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd Coin-freed mechanism 03/11/18
1944 GB564479Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd Coin-operated electric switch 03/11/18
1944 GB564480Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd Coin-controlled machines 03/11/18
1944 GB561878Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd Electro-magnetic delay-action switch 03/11/18
1944 GB560028Percy Stephen Harper & Harper Automatic Machine Manufacturing Co. Ltd Coin-controlled vending 03/11/18
1944 GB574465J A Smith & V Merrow Driving game (endless belt) 14/05/17
1944 GB574507Alfred Leonard Walton 'Rotary Merchandiser' elaboration 14/05/17
1944 GB593462R Pullen Wall game with balls 14/05/17
1945 GB602555C J Schroder Race game 14/05/17
1945 GB605226Crompton, A J L & J E Tilting table, two player 14/05/17
1945 GB606126T Hogg Moving figure game 14/05/17
1945 GB620477Robert William Amac Inclined ball tracks 14/05/17
1946 US2404653Leonard Z Plebanek Electric target game 14/05/17
1947 GB622329William Edward Bryan 'Twelvewin Clock' improvements 14/05/17
1947 FR926094Stevenson & Lovett Ltd. Striker 14/05/17
1948 GB607795Stevenson & Lovett Ltd. & F Lovett 'Irish Sweepstake', electromechanical, floor-standing 14/05/17
1949 GB620694R Macdonald, J Docherty & G Cole Race game 14/05/17
1949 GB623598GB623598 Driving game (endless belt) 14/05/17
1949 GB627772J A Scott Targets, shooter 14/05/17
1950 GB641529British American Novelty Co. Ltd. & W Green Greyhound race 14/05/17
1951 GB651885Frederich Edward Lovett Coin freed hair dryer 14/05/17
1952 DE840217Friedrich Giese Clown catcher with single control 31/03/22
1952 GB680713B W & J G Brenner for BAN Co. Ltd. Electromechanical horse race game 14/05/17
1953 GB693746S A Cleave Strength test: kick ball 14/05/17
1953 GB699496John Woof Slater Cover for bar football (GB523882) 14/05/17
1953 US2657054Mark Myers Rotating amusement apparatus (not coin-op) 20/01/24
1953 GB749891William Edward Bryan 'Solo Ride', juvenile horse ride 14/05/17
1953 GB761321John Burton Tigrett (US) Power unit for amusement devices 14/05/17
1954 US2693962Robert Stevens Auto-pay dice game 03/10/19
1954 GB720085A D H Coxe Peep shows, optical illusion 14/05/17
1954 GB752270Tudah Walter Glover Wondermatics reserve ball mechanism 14/05/17
1954 GB763309Tudah Walter Glover Wondermatics coin cup improvement 14/05/17
1956 GB817705Alfred Leonard Walton 'The Twins' two player race game 14/05/17
1958 GB796371Crompton, A J L Gambling, multiplayer, floor-standing 14/05/17
1959 GB824701Crompton, A J L Chance apparatus 14/05/17
1961 GB870531Crompton, A J L Delivering coins from a stack 14/05/17
1961 GB881803Crompton, A J L Electric make and break 14/05/17
1961 GB913064William Edward Bryan 'Forks' allwin 14/05/17
1962 GB898456Crompton, A J L Games simulating shooting 14/05/17
1962 GB912343Crompton, A J L Automatic amusement device 14/05/17
1962 GB912685Crompton, A J L Improvements to amusement apparatus 14/05/17
1963 GB1035681Mar-Matic Sales Ltd. Coin acceptor for separating coins and tokens 03/08/17
1964 GB967344Crompton, A J L Coin freed mechanism 14/05/17
1964 GB967345Crompton, A J L Electric multiplayer amusement 14/05/17
1964 GB969303Crompton, A J L Similar to GB967343 14/05/17
1964 GB970806Crompton, A J L Continuous running version of GB961820 14/05/17
1964 GB958782Lovett, J W Chance apparatus 14/05/17
1964 GB961820Crompton, A J L Multi player, roll down pins to jackpot 14/05/17
1964 GB967343Crompton, A J L Electric rotary multiplayer, betting 14/05/17
1965 GB1006791Crompton, A J L Electromagnetic actuator 14/05/17
1966 US42814465AMar-Matic Sales Ltd. Coin operating mechanism 03/08/17
1966 GB1018766Mayfield Electronics Ltd. Boat race betting game 12/03/23
1966 GB1166838Mayfield Electronics Ltd. Ship sinking submarine torpedo game 12/03/23
1967 GB1096504Crompton, A J L 'Star Soccer' 14/05/17
1967 GB1067385Crompton, A J L Coin pusher with sweepers 14/05/17
1967 GB1068859Crompton, A J L 'Tooty Fruity' 14/05/17
1967 GB1089947Crompton, A J L Prize giving amusement machine 14/05/17
1967 GB1091254Crompton, A J L Similar to Bell Fruit 'Cascade' 14/05/17
1968 GB1131596Crompton, A J L 'Penny On Ice' coin pusher with magnet 14/05/17
1968 GB1180560Mayfield Electronics Ltd. Payout dice throwing machine 12/10/19
1969 GB1140302B R Lionel, M A Sheffras Sheffras coin entry 14/05/17
1969 GB1151161Brecknell, Dolman & Rogers Ltd. Automatic roulette wheel 14/05/17
1969 GB1163671Crompton, A J L 'Tip 'Em Off' principle 14/05/17
1969 GB1163672Crompton, A J L Coin projectors for amusement machines 14/05/17
1969 US3428316Albert Leslie Cane Minisoccer (Euro patents from 25/10/65) 14/05/17
1969 GB1152755Crompton, A J L Coin or token operated machines 14/05/17
1969 GB1151426B R Lionel, M A Sheffras Coin and token discriminating device 14/05/17
1970 GB1180560Mayfield Electronics Ltd. Automated dice throwing 12/03/23
1970 GB1181452M A Sheffras, H Bickerton Bingo 14/05/17
1970 GB1194245Crompton, A J L Overload cutouts 14/05/17
1970 GB1181452Morris Shefras & Harry Bickerton Morris Shefras bingo machine (not coin-op). 12/06/17
1971 3554547Bally Manufacturing Corporation Bally World Cup soccer 12/06/17
2015 GB191510036Pessers, Moody, Wraith & Gurr Free ball release mechanism for catcher type 31/03/22