Patent Search Results

51 6,954,684 Intelligent cooling fan
52 6,840,743 Plural fan installation for a cooling system for a motor vehicle, with a control unit, for controlling plural fan motors, mounted within one motor housing
53 6,802,696 Multistage compressor unit and method for regulating such multistage compressor unit
54 6,755,620 Independent rotational speed control of multi-stage variable speed compressor
55 6,752,600 Fluid system
56 6,725,132 Intelligent cooling fan
57 6,659,726 Variable speed control of multiple motors
58 6,638,022 Hybrid vehicle control device
59 6,625,519 Pump controller for submersible turbine pumps
60 6,589,023 Device and method for reducing vacuum pump energy consumption
61 6,579,067 Variable speed control of multiple compressors
62 6,565,325 Processor based pump control systems
63 6,544,228 Infusion device comprising a plurality of infusion pumps
64 6,537,019 Fan assembly and method
65 6,474,949 Evacuating unit with reduced diameter exhaust duct
66 6,428,282 System with fan speed synchronization control
67 6,425,740 Resonator pumping system
68 6,419,455 System for regulating pressure in a vacuum chamber, vacuum pumping unit equipped with same
69 6,398,505 Cooling apparatus and cooling system for realizing efficient cooling
70 6,368,064 Apparatus and method of providing redundant power and redundant fan speed control to a plurality of fans
71 6,322,325 Processor based pump control systems
72 6,318,965 Intelligent internal fan controller
73 6,309,539 Filtration and subsurface distribution system
74 6,287,083 Compressed air production facility
75 6,276,900 Multiple fan system having means for reducing beat frequency oscillations
76 6,270,319 Multiple fan having means for reducing beat frequency oscillations
77 6,269,872 System and method for regulating coolant flow rate to a heat exchanger
78 6,257,832 Multiple fan system having means for reducing beat frequency oscillations
79 6,142,740 Compression system having means for sequencing operation of compressors
80 6,077,044 Well production management and storage system
81 6,056,510 Multistage vacuum pump unit
82 6,045,331 Fluid pump speed controller
83 5,993,654 Pressurized liquid delivery apparatus
84 5,971,711 Vacuum pump control system
85 5,964,510 Pump unit and brake control device using same
86 5,897,781 Active pump phasing to enhance chromatographic reproducibility
87 5,865,601 Safety device for avoiding entrapment at a water reservoir drain having a secondary blowing pump
88 5,772,899 Fluid dispensing system having independently operated pumps
89 5,746,581 Method and apparatus for evacuating vacuum system
90 5,743,715 Method and apparatus for load balancing among multiple compressors
91 5,743,714 Method and apparatus for minimum work control optimization of multicompressor stations
92 5,742,500 Pump station control system and method
93 5,637,208 Solvent pumping system for chromatography with switching-valve
94 5,527,157 Evaporative coller pump apparatus
95 5,527,156 Apparatus for and method of controlling engine and pumps of hydraulic construction equipment
96 5,498,105 Drainage water pumping station and method for operating the same
97 5,490,765 Dual stage pump system with pre-stressed diaphragms and reservoir
98 5,338,157 Systems and methods for communicating with ambulatory medical devices such as drug delivery devices
99 5,336,054 Automatic water shut-off dispensers
100 5,316,444 Pump control and method of pumping