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.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: D13
Class Title: EQUIPMENT FOR PRODUCTION, DISTRIBUTION, OR TRANSFORMATION
OF ENERGY
Subclass Subclass
Number Title
100 SOLID FUEL (2)
101 ENERGY CONVERSION OR TRANSFORMATION (3)
102 .Solar unit or component thereof
103 .Battery or casing therefor (4)
104 ..Plural cell automotive type
105 ...Simulative (5)
106 ...Pass-through hand or finger grip
107 .Battery charger
108 ..Cordless appliance type
109 ..With provision for mobility (e.g., wheeled, etc.)
110 .Transformer, rectifier or casing therefor (6)
111 ..Electric fence energizer
112 .Generator, motor or casing therefor
113 ..Engine starter type
114 ..Dynamoelectric machine (e.g., generator, etc.)
115 ...Wind or hand powered
116 ...With handle, bar or loop for lifting
117 .Inductor (e.g., coil, etc.)
118 .Element or attachment
119 ..Battery
120 ...Connector (e.g., terminal, clamp, etc.) (7)
121 ...Electrode (i.e., grid or plate type)
122 ..Generator, motor or casing therefor
123 DISTRIBUTION, MODIFICATION OR CONTROL (8)
124 .Voltage regulator
125 .Condenser, resistor or potentiometer (9)
126 .Vehicle ignition component (10)
127 ..Spark or glow plug
128 .Railway component
129 .Insulator (11)
130 ..Three or more repeats, or uniform configuration, about axis
(12)
131 ..Symmetrical on two axes (13)
132 ..Bilaterally symmetrical (13)
133 .Connector, conductor or housing therefor (14)
134 ..Lamp socket
135 ...Converter (e.g., incandescent to fluorescent, etc.)
136 ...Provision for plural bulb
137 ..Domestic electric service plug or receptacle (i.e., 120-v or
220-v type)
138 ...Plug
139 ....Combined with receptacle
140 .....Extension type (e.g., cord, cord with reel, etc.)
141 ....Grounded or three prong type
142 ...Combined with circuit breaker or switch
143 ...Grounded or three prong type
144 ..12-volt cigarette lighter type
145 ..Heater or small appliance type
146 ..Three or more contacts (e.g., ports, terminals, etc.)
147 ...Linear array of identical repeating ports or contacts (i.e.,
in-line array))
148 ..Ring or spade lug
149 ..Compressive engagement (e.g., clamped, crimped, etc.) (15)
150 ...Wire nut type
151 ..Threaded engagement
152 ..Junction or outlet box (16)
153 ..Cable, wire or cladding therefor (17)
154 ..Element or attachment
155 ...Conduit, duct or channel
156 ...Cap, cover or boot
157 ...Cable marker
158 .Switch or casing therefor (18)
159 ..Relay
160 ..Circuit breaker, current suppressor or fuse, or casing
therefor (19)
161 ...Fuse (20)
162 ..Control panel, console or module
163 ...Console or floor type
164 ...Linear array of three or more identical control or display
elements
165 ..Photocell operated (21)
166 ..Solenoid operated
167 ..Foot operated
168 ..Hand held or remote type
169 ..Toggle, lever or rocker operated
170 ..Slide operated
171 ..Button operated
172 ..Reed type
173 ..Element or attachment
174 ...Actuator (e.g., button, slide, etc.)
175 ....Blade or pivoting contact
176 ...Reed switch
177 ...Face panel or cover (22)
178 ...Circuit breaker, current suppressor or fuse
179 .Heat sink
180 .Electron or vacuum tube (23)
181 ..Cathode ray
182 .Semiconductor, transistor or integrated circuit (24)
183 MAGNET (25)
184 CASING OR ENCLOSURE NOT ELSEWHERE SPECIFIED
199 MISCELLANEOUS (26)