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Expired patents of:
Caterpillar Inc.

Displaying 1 to 50 of 185 patents. (Retrieval took 2.166 seconds.)

 Patent TitleExpired:
1.High pressure fuel system valve2007-02-28
2.Apparatus for protecting a track assembly of a tractor2007-02-23
3.Apparatus for measuring torsional vibrations of rotating machinery2007-02-21
4.Arrangement for mounting a cab structure to a vehicle frame2007-02-14
5.Method and apparatus for improving the accuracy of position estimates in a satellite based navigation system2007-02-14
6.Pressure regulating valve2007-02-09
7.Apparatus and method for displacing noise on a signal from the detection threshold of an electronic controller2007-02-09
8.High voltage ripping apparatus2007-02-07
9.Actuator which uses fluctuating pressure from an oil pump that powers a hydraulically actuated fuel injector2007-02-02
10.Belt edge scraper2007-01-26
11.Multi-variable control of multi-degree of freedom linkages2007-01-24
12.Cradle bearing arrangement for axial piston hydraulic devices2007-01-24
13.Outrigger and guard assembly2007-01-24
14.Integrated Marx generator2007-01-17
15.Differential steer system for a machine2007-01-12
16.Programmable bit-collision adjustment circuitry for a bi-directional serial communication link2007-01-12
17.Grinding and finishing worm2007-01-10
18.Exhaust directing valve mechanism for a vehicle2007-01-10
19.Radial lip seal2007-01-10
20.Electronic steering control2007-01-03
21.Apparatus for protecting a base of a bucket of an earth working machine2006-12-29
22.Method and means for generating and maintaining spark in a varying pressure environment2006-12-29
23.Flame arrestor and method of manufacture2006-12-27
24.Method for diagnosing an engine using computer based models2006-12-27
25.Computerized monitoring system having a programmable gauge2006-12-20
26.Method of mounting a ceramic valve guide assembly2006-12-13
27.Fluid filter having a reusable filter housing and a replaceable coreless filter element2006-12-08
28.Belt tension indicating system2006-11-29
29.Default mode control system for a split torque transmission2006-11-24
30.Engine blowby measuring apparatus2006-11-22
31.Apparatus and method for removal and installation of a strut bearing2006-11-17
32.Monovalve with integrated fuel injector and port control valve, and engine using same2006-11-05
33.Self-lubricating and wear resistant valve/valve guide combination for internal combustion engines2006-10-13
34.Variable position detent mechanism for a control lever2006-09-22
35.Method of prolonging the life of glow plugs2006-09-22
36.Apparatus and method for removing particulate from an exhaust gas filter2006-09-20
37.Phase detection apparatus and method2006-09-20
38.Adjustable spanner wrench assembly2006-09-20
39.Base edge cover for a bucket and apparatus for retaining same2006-09-15
40.Injector assembly2006-09-13
41.Exhaust gas recirculation system for an internal combustion engine2006-09-08
42.Blowby disposal system2006-09-08
43.Supporting system for a rotating concave grain threshing mechanism2006-09-08
44.Transmission warm-up control strategy2006-09-08
45.Cylinder head sealing system and method2006-09-06
46.Hydraulically actuated gas exchange valve assembly and engine using same2006-09-03
47.Self adjusting hose connector crimping apparatus and method of use2006-09-01
48.Apparatus and method for controlling multiple fluid cylinders2006-08-18
49.Non-drip fluid circulating pump2006-08-16
50.Internal combustion engine speed-throttle control2006-08-11

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