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Expired patents of:
Caterpillar Inc.

Displaying 51 to 100 of 185 patents. (Retrieval took 1.759 seconds.)

 Patent TitleExpired:
51.Method of preventing cavitation in a fuel injector having a solenoid actuated control valve2006-08-04
52.Hydraulic recoil and belt tension control system2006-08-02
53.Cushioned roller for a belted undercarriage2006-07-28
54.Soft seal poppet type check valve2006-07-21
55.Method of and conversion kit for converting an engine to hydraulically-actuated fuel injection system2006-07-05
56.Endless elastomeric belt2006-07-05
57.Crop feeding apparatus for rotating concave threshing mechanism2006-06-30
58.Apparatus for automated measurement of ammonia concentration in a gas mixture2006-06-16
59.Fluid filter having a reusable filter housing and a replaceable coreless filter element2006-06-09
60.Magnetically adjustable valve adapted for a fuel injector2006-06-02
61.Belted work machine2006-05-12
62.Earthworking machine ground engaging tools having cast-in-place abrasion and impact resistant metal matrix composite components2006-04-28
63.Hasp type latch2006-03-31
64.Noise suppression enclosure for an engine2006-03-29
65.Retaining device for axial piston machines2006-03-24
66.Injection rate shaping device for a fill metered hydraulically-actuated fuel injection system2006-03-24
67.Apparatus and method for determining distortion of a welded member2006-03-17
68.Undercarriage assembly for a vehicle2006-03-15
69.Bucket tip retention means2006-03-10
70.Compressor by-pass and valving for a turbocharger2006-03-10
71.Alternating current control apparatus and method for glow plugs2006-03-10
72.Hydraulic drive for a pressure wave supercharger utilized with an internal combustion engine2006-03-10
73.Shaft supporting bearing arrangement2006-03-10
74.Apparatus for positioning a gear blank2006-03-08
75.Solenoid actuated miniservo spool valve2006-02-24
76.Compact reverse flow check valve assembly for a unit fluid pump-injector2006-02-22
77.Belted multi-purpose trailer2006-02-15
78.Hydraulic system2006-02-03
79.Fast spill device for abruptly ending injection in a hydraulically actuated fuel injector2006-02-03
80.Self flushing centrifugal pump2006-02-03
81.Axial piston fluid translating unit with sealed barrel plate2006-01-18
82.Piston assembly with distributed loading and centrally fastened wrist pin2006-01-18
83.Ride control system with an auxiliary power source2006-01-13
84.Positive drive rubber belted track system2006-01-13
85.Material handling machine2006-01-13
86.Method and apparatus for controlling the oscillatory motion of a test device2005-12-30
87.Method for executing subroutine calls2005-12-28
88.Method of manufacturing a split master link by electrical discharge machining2005-12-23
89.Method and apparatus to improve a turbocharged engine transient response2005-12-21
90.Blowby mist separator and regulator system for an enclosed crankcase2005-12-16
91.Outward opening valve system for an engine2005-12-09
92.Non-Metalic roof for a work machine2005-12-09
93.Piston cooling nozzle2005-12-07
94.Ventilation apparatus for an enclosure2005-12-02
95.Hydraulic joystick2005-12-02
96.Method of manufacturing a piston for an axial piston fluid translating device2005-11-30
97.Intermittently-fed high-pressure gasifier process2005-11-30
98.Force motor having temperature compensation characteristics2005-11-23
99.Apparatus and method for retaining a grader blade2005-11-18
100.Fuel injector with pressure bleed-off stop2005-11-11

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