Blackhawk Patents

Here are the Blackhawk patents we have located thus far.  Below this list, you will find the patents we have entered into the database, which currently consist of predominately ratchet and torque wrench patents.  Selecting a patent (below this list) will display all tools in the database associated with that patent.

1,574,136 Feb. 23, 1926 H.E. Tautz, F.E. Dion Tool grip wrench handle components

1,685,503 Sep. 25, 1928 E.M. Pfauser Socket Wrench socket wrenches

1,764,690 Jun. 17, 1930 E.M. Pfauser Tool Handle tool handles

1,797,730 Mar. 24, 1931 E.M. Pfauser Socket Attachment for Tools socket wrenches

1,807,134 May 26, 1931 E.M. Pfauser Socket Wrench

1,873,472 Aug. 23, 1932 E.M. Pfauser Socket Wrench socket wrenches

1,881,029 Oct. 04, 1932 E.M. Pfauser Socket Wrench socket wrenches

1,896,645 Feb. 07, 1933 E.M. Pfauser Coupling For Socket Wrenches socket wrenches

1,927,844 Sep. 26, 1933 E.M. Pfauser Socket Wrench wrench handle components

1,936,640 Nov. 28, 1933 E.M. Pfauser Reversible Friction Clutch ratchet wrenches

1,941,565 Jan. 02, 1934 S. Mandl Socket Wrench wrenches

RE19,093 Feb. 27, 1934 E.M. Pfauser Coupling For Socket Wrenches socket wrenches

RE19,287 Aug. 21, 1934 E.M. Pfauser Coupling For Socket Wrenches socket wrenches

1,982,008 Nov. 27, 1934 E.M. Pfauser, S. Mandl Coupling socket wrenches

1,988,601 Jan. 22, 1935 S. Mandl, EM Pfauser Jack

1,995,009 Mar. 19, 1935 S. Mandl, E.M. Pfauser Ratchet Mechanism ratchet wrenches

2,003,155 May 28, 1935 E.M. Pfauser Reversible Friction Clutch ratchet wrenches

2,018,148 Oct. 22, 1935 E.M. Pfauser Safety Control for Mechanical Garage Jacks

D97,562 Nov. 19, 1935 E.M. Pfauser Hydraulic Jack

,037,434 Apr. 14, 1936 E.M. Pfauser Pfauser Pump

D103,894 Mar. 30, 1937 S. Mandl Wrench Stand or the Like wrench set holders

D103,912 Mar. 30, 1937 S. Mandl Wrench Case or the Like wrench set holders

D103,913 Mar. 30, 1937 S. Mandl Wrench Stand or the Like workbenches

D103,914 Mar. 30, 1937 S. Mandl Combined Wrench Stand and Case or the Like workbenches

2,093,284 Sep. 14, 1937 S. Mandl Work Engagement Means for Jacks

2,100,564 Nov. 30, 1937 E.M. Pfauser, S. Mandl Method of Producung a Pulling Stress and Hydraulic Pulling Mechanism

D107,970 Jan. 18, 1938 E.M. Pfauser Work Stand or the Like workbenches

D108,143 Jan. 25, 1938 S. Mandl Design for a Wrench Member wrench sockets

D108,159 Jan. 25, 1938 S. Mandl Wrench or the Like wrench handle components

2,108,866 Feb. 22, 1938 S. Mandl Socket Wrench socket wrenches

D109,498 May 03, 1938 E.M. Pfauser Jack D109,499 May 03, 1938 E.M. Pfauser Jack

2,138,194 Nov. 29, 1938 E.M. Pfauser Hydraulic Pump hydraulic pumps

D113,331 Feb. 14, 1939 E.M. Pfauser V-Base for Metal Straightening Equipment

D115,416 Jun. 27, 1939 S. Mandl Torque Indicating Tool torque wrenches

2,164,621 Jul. 04, 1939 E.M. Pfauser Automobile Jack

2,165,285 Jul. 11, 1939 S. Mandl Spring Perch and Brake Bracket Remover brake adjusting tools

2,165,503 Jul. 11, 1939 E.M. Pfauser Portable Hydraulic Metal Straightening Machine

D116,269 Aug. 22, 1939 S. Mandl Arbor Press

2,183,842 Dec. 19, 1939 S. Mandl Hinge Pin Pusher

2,188,957 Feb. 6, 1940 E.M. Pfauser Packing

2,190,081 Feb. 13, 1940 E.M. Pfauser Coupling wrench components

2,200,133 May 07, 1940 S. Mandl Method of and Means for Straightening Out Deformed Automobile Bodies and the Like

D121,616 Jul. 23, 1940 E.M. Pfauser Illuminable Jack

2,214,257 Sep. 10, 1940 E.M. Pfauser Hydraulic Power Unit

2,218,318 Oct. 15, 1940 E.M. Pfauser Detachable Conduit Coupling

2,218,319 Oct. 15, 1940 E.M. Pfauser Adjustable Extension

2,219,903 Oct. 29, 1940 E.M. Pfauser Jack Illumination

2,225,420 Dec. 17, 1940 S. Mandl Torque Wrench

2,235,643 Mar. 18, 1941 E.M. Pfauser Apparatus for Inserting and Removing Shackle Pins

2,238,968 Apr. 22, 1941 H.P. Brumder Hydraulic Jack

2,242,613 May 20, 1941 S. Mandl Torque Wrench torque wrenches

2,250,551 Jul. 29, 1941 E.M. Pfauser Pump for hydraulic Jacks

2,255,984 Sep. 16, 1941 E.M. Pfauser Hydraulic Pump System hydraulic pumps

2,259,533 Oct. 21, 1941 E.M. Pfauser Spring Spreader spreaders

2,262,969 Nov. 18, 1941 E.H. Schultz Wheel Puller

2,277,256 Mar. 24, 1942 E. Pfauser Hydraulic Apparatus

2,282,148 May 05, 1942 S. Mandl Tool Handle wrench handle components

2,283,382 May 19, 1942 S. Mandl Ratchet Mechanism ratchet wrenches

2,286,880 Jun. 16, 1942 W.A. Traut Hydraulic Control System

2,286,917 Jun. 16, 1942 S. Mandl Ratchet Socket ratchet wrenches

2,296,173 Sep. 15, 1942 S. Mandl Spreading Tool

2,299,492 Oct. 20, 1942 E.M. Pfauser Pump Assembly hydraulic pumps

2,314,589 Mar. 23, 1943 S. Mandl Jack Assemblage

2,348,412 May 09, 1944 E.M. Pfauser Pump Assemblage hand pumps

2,360,385 Oct. 17, 1944 C.A. Anderson Drill drill bits

2,430,100 Nov. 4, 1947 S. Mandl Ram Assemblage

2,459,080 Jan. 11, 1949 W. Killius Mechanic's Work Holding Table Furnished with Adjustable Work-Supporting Arms

2,475,040 Jul. 05, 1949 S. Mandl Ram

2,492,231 Feb. 27, 1949 S. Mandl Portable Sander

2,492,921 Dec. 27, 1949 S. Mandl Portable Power Tool Set

2,499,962 Mar. 07, 1950 S. Mandl Portable Impact

2,499,968 Mar. 07, 1950 E.M. Pfauser Pneumatic-Hydraulic Pressure Converter

2,520,652 Aug. 29, 1950 S. Mandl, E.M. Pfauser Adjustable Tool Handle wrench handle components

2,525,922 Oct. 17, 1950 S. Mandl Rotary-Reciprocating Motion Converter

2,526,406 Oct. 17, 1950 S. Mandl Hydraulic Control Valve Assembly

2,591,939 Oct. 16, 1951 S. Mandl/Pfauser Ratchet Mechanism

2,625,796 Jan. 20, 1953 W.A. Traut Multispeed Hydraulic Power Device

2,687,056 Aug. 24, 1954 W.M. Foor Open-End Wrench Having Wedgy Jaws and a Recessed Concave Bight Wall nut wrenches

2,764,215 Sep. 25, 1956 Omar Adams Wheel Straightening Attachment

D181,071 Sep. 24, 1957 W.L. Vallee, I.V. Stovern Vehicle Jack

2,814,540 Nov. 26, 1957 H.I. Southerwick Piston Packing

2,824,381 Feb. 25, 1958 R.J. Traupmann Pre-Indicator of Pipe Positions and Bends

2,867,087 Jan. 06, 1959 C.E. Holt Hydraulic Valve for Pressure Applying Units

2,867,261 Jan. 06, 1959 R.J. Traupmann Pipe Bender with Bend Indicator Means

2,867,409 Jan. 06, 1959 H.I. Southerwick Service Jack

2,895,712 Jul. 21, 1959 W.L. Vallee, I.V. Stovern Adjustable Load Support

2,909,358 Oct. 20, 1959 H.I. Southerwick Portable Jack Assemblage

2,914,369 Nov. 24, 1959 D. Hayman Fluid Seal

2,935,851 May 10, 1960 N.F. Atherton Hydraulic Pressure Applying Tool

2,955,578 Oct. 11, 1960 A.H. Luedicke, Jr., C.L. Flessate Hydraulic Ram

D189829 Feb. 28, 1961 F. H. Kollmeyer Vehicle Jack

2,975,803 Mar. 21, 1961 Wendell Vallee Pressure release and relief valve

2,979,102 Apr. 11, 1961 J.E. Brussock, H.C. Ferguson Straightening Tool

2,987,046 Jun. 06, 1961 N.F. Atherton Ram Assemblage

D194362 Jan. 08, 1963 R Prince Hydraulic cylinder for agricultural implements or the like

3,132,485 May 12, 1964 J.R. Watson Hydraulic Motor Control

3,217,3394 Nov 16, 1965 John Castoe Pressure fluid operated bushing inserting and removing press

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