Learn more

DIEHL

Overview
  • Total Patents
    375
About

DIEHL has a total of 375 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, France and Italy. Its main competitors in its focus markets machines, measurement and weapons are DIEHL FA, DIEHL KARL and TEDDE SALVATORE.

Patent filings in countries

World map showing DIEHLs patent filings in countries
# Country Total Patents
#1 United States 78
#2 France 76
#3 Italy 65
#4 United Kingdom 59
#5 Belgium 27
#6 Japan 20
#7 Norway 18
#8 Denmark 6
#9 Sweden 6
#10 Spain 5
#11 Australia 3
#12 Canada 3
#13 India 3
#14 Germany 2
#15 Israel 2
#16 Turkey 2

Patent filings per year

Chart showing DIEHLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rentzsch Max 9
#2 Korner Otto 8
#3 Politzer Anton 7
#4 Rentzsch M 7
#5 Meisner Alfred 6
#6 Machmer Wilhelm 5
#7 Metschnabl Andreas 5
#8 Gerum Erich 5
#9 Grosse-Benne W 5
#10 Raab Richard 5

Latest patents

Publication Filing date Title
DE19809358A1 Hole-puncher for tiles, with bench saw
JPS59199377A Assembly auxiliary device for chain in caterpillar car
JPS55122472A Step motor
GB2000851A Re-cocking trigger device
GB1535496A Plug socket time switch
FR2348452A1 Furnace and tundish using inert gas atmos. - used for continuous casting of copper alloys prone to oxidn.
CA1064769A Splintering projectile and method of making same
IT1065256B Bursting casing for projectile - has preformed splinter in layer compressed with powdered supporting metal forming porous inner layer
GB1510744A Electro-mechanical adjustment means for adjusting an electronic digital indicator
IT1039457B Automatic firearm with separate charge and projectile - has gas operated slide bringing charges and projectiles to breech
US3944795A Setting mechanism for digital display devices
DK142593B Wood teeth for ignition of spark plugs.
GB1461237A Weapon assembly
FR2278230A7 Hand grenade safety device - fusible disc between delay charge and detonator prevents misfire
US3948572A Twin track laying chain
IT1027897B Propellant and ignition charges for rocket - elimination of conventional casing around charge increases range
GB1429117A Base fuze for a spin projectile
GB1419937A Caseless ammunition
AU7116474A Chain
US3926022A Device for use in connection with metal extrusion presses along a press path