What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
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Class Number: 505 Class Title: SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS Subclass Subclass Number Title 1 MATERIAL, PROCESS, APPARATUS, FUNCTIONING ABOVE 30 K * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** * A. Involving High Temperature Material (Tc above 30 degree K) 700 HIGH Tc (ABOVE 30 DEGREE K) SUPERCONDUCTING DEVICE, ARTICLE OR STRUCTURED STOCK 701 .Coated or thin film device (i.e., active or passive) 702 ..Josephson junction present 703 ..Microelectronic device with superconducting conduction line 704 .Wire, fiber or cable 705 ..Magnetic coil 706 .Contact pads or leads bonded to superconductor 725 PROCESS OF MAKING OR TREATING HIGH Tc (ABOVE 30 DEGREE K) SUPERCONDUCTING SHAPED MATERIAL, ARTICLE OR DEVICE 726 .Measuring or testing of superconducting property 727 .Using magnetic field 728 .Etching 729 .Growing single crystal (e.g., epitaxy, bulk) 730 .Vacuum treating or coating 731 ..Sputter coating 732 ..Evaporative coating with superconducting material 733 .Rapid solidification (e.g., quenching, gas-atomizing, melt-spinning, roller-quenching) 734 .From organometallic precursors (e.g., acetylacetonates) 735 ..By sol-gel process 736 .From free metal precursors 737 .From inorganic salt precursors (e.g., nitrates) 738 ..By precipitating 739 .Molding, coating, shaping or casting of superconducting material 740 ..To form wire or fiber 741 ..Coating or casting onto a substrate (e.g., screen printing, tape casting) 742 .Annealing 775 HIGH Tc (ABOVE 30 DEGREE K) SUPERCONDUCTING MATERIAL 776 .Containing transition metal oxide with rare earth or alkaline earth 777 ..Lanthanum (La)-(e.g., La2Cu04) 778 ...Alkaline earth (i.e., Ca,Sr,Ba,Ra)- e.g., La(2-x)Ba(x)Cu04 779 ..Other rare earth (i.e., Sc,Y,Ce,Pr,Nd,Pm,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu) and alkaline earth (i.e., Ca,Sr,Ba,Ra) 780 ...Yttrium(Y) and barium(Ba)-(e.g., YBa2Cu307) 781 ....Noble metal (i.e., Ag,Au,Os,Ir,Pt.Ru,Rh,Pd) or chromium(Cr), manganese(Mn), iron(Fe), cobalt(Co), or nickel(Ni)- e.g., YBa2Cu(3-x)Fe(x)0(y) 782 ..Bismuth(Bi)-(e.g., BiCaSrCu0) 783 ..Thallium(Tl)-(e.g., Tl2CaBaCu308) 784 .Bismuth(Bi)-(e.g., BaKBi0) 785 .Composition containing superconducting material and diverse nonsuperconducting materiall * B. Involving Low Temperature Superconductors (Tc at or below 30 degree K) 800 MATERIAL, PER SE, PROCESS OF MAKING SAME 801 .Composition: (Classes 75, 252, 501) 802 ..Organic 803 ..Magnetic 804 ..Amorphous alloy 805 ..Alloy or metallic: (Class 420,420/901) 806 ...Niobium base (Nb) 807 ..Powder: (Class 75) 808 ..Liquid crystal: (Class 252) 809 ..Ceramic: (Class 501) 810 .Compound: (Class 423) 811 ..Organic: (Classes 520-570) 812 .Stock: (Class 428, 428/930) 813 ..Wire, tape, or film 814 ..Treated metal: (Class 148/400+) 815 .Process of making, per se 816 ..Sputtering, including coating, forming, or etching (Class 204/192.24) 817 ...Forming Josephson element 818 ..Coating: (Classes 204, 427/62) 819 ...Vapor deposition 820 ...And etching 821 ...Wire 822 ..Shaping: (Classes 148, 264) 823 ..Powder metallurgy: (Class 419) 824 ..Battery, thermo or photo-electric: (Class 136) 825 APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME 826 .Coating: (Class 118) 827 .Code converter: (Class 340) 828 .Modulator: (Class 332), demodulator, or detector: (Class 329) 829 .Electrical computer or data processing system (Class 364) 830 .Electrical pulse counter, pulse divider or shift register: (Class 377) 831 .Static information storage system or device: (Class 365, 365/160) 832 ..Josephson junction type: (Class 365/162) 833 ..Thin film type: (Class 365/161) 834 ...Plural (e.g., memory matrix, etc.): (Class 365/161) 835 ....Content addressed (i.e., associative memory type): (Class 365/49, 161) 836 ....Location addressed (i.e., word organized memory type (Class 365/161) 837 ....Random access (i.e., bit organized memory type): (Class 365/161) 838 ..Plural (e.g., memory matrix, etc.): (Class 365/160) 839 ...Content addressed (i.e., associative memory type): (Class 365/160) 840 ...Location addressed (i.e., word organized memory type): (Class 365/160) 841 ...Random access (i.e., bit organized memory type): (Class 365/160) 842 .Measuring and testing: (Classes 73, 324, 356, and 374) 843 ..Electrical: (Class 324) 844 ...Nuclear magnetic resonance (Nmr) system or device: (Class 324)) 845 ...Magnetometer: (Class 324/248) 846 ....Using superconductive quantum interference device (i.e., SQUID): (Class 324/248) 847 ..Thermal: (Class 374) 848 .Radiant energy application: (Class 250) 849 ..Infrared responsive electric signalling: (Class 250/338+) 850 .Protective circuit: (Class 361/19) 851 .Control circuit for electromagnetic device: (Class 361/141) 852 .Electric motor control: (Class 318) 853 .Oscillator: (Class 331) 854 ..With solid state active element: (Class 331/107S) 855 .Amplifier: (Class 330) 856 .Electrical transmission or interconnection system: (Class 307) 857 ..Nonlinear solid state device system or circuit: (Class 307/200+) 858 ...Digital logic: (Class 307/476) 859 ....Function of AND, OR, NAND, NOR or NOT: (Class 307/462) 860 ...Gating (i.e., switching) circuit: (Class 307/245) 861 ....With Josephson junction: (Class 307/245) 862 ....With thin film device: (Class 307/245) 863 ...Stable state circuit for signal shaping, converting, or generating: (Class 307/277) 864 ....With Josephson junction: (Class 307/277) 865 ...With Josephson junction: (Class 307/306) 866 .Wave transmission line, network, waveguide, or microwave storage device: (Class 333/99S) 867 .Electric power conversion system: (Class 363) 868 ..Current conversion: (Class 363/14) 869 .Power supply, regulation, or energy storage system: (Class 323) 870 ..Including transformer or inductor: (Class 323/360) 871 .Magnetic lens: (Class 250/396) 872 .Magnetic field shield: (Class 307/91) 873 .Active solid state device: (Class 257) 874 ..With Josephson junction (e.g., SQUID, etc.): (Class 257) 875 ..Combined with housing and cryogenic fluid cooling: (Class 257) 876 .Electrical generator or motor structure: (Class 310) 877 ..Rotary dynamoelectric type: (Class 310/40+) 878 ...With cooling: (Class 310/52+) 879 .Magnet or electromagnet: (Class 335/216) 880 .Inductor: (Class 336/DIG1) 881 .Resistance device responsive to magnetic field: (Class 338/32S) 882 .Circuit maker or breaker: (Class 200) 883 .Housing and mounting assembly with plural diverse electrical components: (Class 361/331+) 884 .Conductor: (Class 174) 885 ..Cooling, or feeding, circulating, or distributing fluid; in superconductive apparatus: (Class 174/15CA) 886 ...Cable: (Class 174/15S) 887 ..Conductor structure: (Class 174/126S and 128S) 888 .Refrigeration: (Class 62) 889 ..Utilizing rare earth material 890 ..Heat pipe device 891 ..Magnetic or electrical effect cooling 892 ..Magnetic device cooling 893 ...Spectrometerr 894 ..Cyclic cryogenic system (e.g., Sterling, Gifford-McMahon, etc.) 895 ...With regenerative heat exchanger 896 ..Special refrigerant compound 897 ..Cryogenic media transfer 898 ..Cryogenic envelope 899 ..Method of cooling 900 .Heat exchange: (Class 165) 901 ..Heat pipe 902 .Railway (e.g., rapid transit, etc.): (Class 104) 903 ..Suspension (e.g., magnetic, electrodynamic, etc.) 904 ...Guidance means (i.e., in addition to the track) 905 ...Motor structure 906 ...Switching device (i.e., electrical not railway stock diverting) 907 ...Support structure 908 ...Method of operation 909 .Power plant: (Class 60) 910 .Pump: (Class 417) 911 .Fluid reaction surface (i.e., impeller): (Class 416) 912 .Metal founding: (Class 164) 913 ..Casting process 914 ...Using magnetic or electric field 915 ...Making composite product 916 ...Continuous casting 917 .Mechanically manufacturing superconductor: (Classes 29, 72, and 228) 918 ..With metallurgical heat treating 919 ...Reactive formation of superconducting intermetallic compound 920 ....Utilizing diffusion barrier 921 ....Metal working prior to treating 922 ..Making Josephson junction device 923 ..Making semiconductor device (e.g., integrated circuit, etc.) 924 ..Making superconductive magnet or coil 925 ..Making superconductive joint 926 ..Mechanically joining superconductive members 927 ..Metallurgically bonding superconductive members 928 ..Metal deforming 929 ...By extruding 930 ...By drawing 931 .Classifying, separating, and assorting solids using magnetism: (Class 209) 932 ..Separating diverse particulates 933 ...In liquid slurry