| Class Number |
Class Name |
No. of Patents |
| D13/184 |
Casing or enclosure not elsewhere specified |
609 |
| D13/123 |
Distribution, modification or control |
172 |
| D13/125 |
Condenser, resistor or potentiometer (5) |
81 |
| D13/133 |
Connector, conductor or housing therefor (10) |
1145 |
| D13/144 |
12-volt cigarette lighter type |
115 |
| D13/153 |
Cable, wire or cladding therefor (17) |
140 |
| D13/149 |
Compressive engagement (e.g., clamped, crimped, etc.) (15) |
119 |
| D13/150 |
Wire nut type |
17 |
| D13/154 |
Element or attachment |
653 |
| D13/157 |
Cable marker |
12 |
| D13/156 |
Cap, cover or boot |
388 |
| D13/155 |
Conduit, duct or channel |
204 |
| D13/145 |
Heater or small appliance type |
25 |
| D13/152 |
Junction or outlet box (16) |
263 |
| D13/134 |
Lamp socket |
154 |
| D13/135 |
Converter (e.g., incandescent to fluorescent, etc.) |
16 |
| D13/136 |
Provision for plural bulb |
17 |
| D13/137.1 |
Plug and receptacle for domestic service (i.e., 120v or 220v type) |
43 |
| D13/137.4 |
Cord attached (e.g., extension cord or cord reel type) |
79 |
| D13/137.3 |
Including switch or circuit breaker |
56 |
| D13/137.2 |
Outlet adapter or plug tap (i.e., increases the number of outlet receptacles) |
92 |
| D13/138.1 |
Plug for domestic electric service (i.e., 120v or 220v type) (11) |
92 |
| D13/138.2 |
Grounded or three-prong type |
64 |
| D13/139.1 |
Receptacle for domestic electric service (i.e., 120v or 220v type) (12) |
56 |
| D13/139.7 |
Cord attached (e.g., extension cord or cord reel type) |
50 |
| D13/139.8 |
Including switch or circuit breaker (i.e., outlet strip, block, or surge protector type) (14) |
139 |
| D13/139.4 |
Floor, ground or desktop mounted type |
118 |
| D13/139.5 |
Utility pedestal |
20 |
| D13/139.3 |
For installation within junction box (13) |
43 |
| D13/139.6 |
Including switch or circuit breaker (14) |
72 |
| D13/139.2 |
Track or conduit type |
22 |
| D13/148 |
Ring or spade lug |
29 |
| D13/151 |
Threaded engagement |
215 |
| D13/146 |
Three or more contacts (e.g., ports, terminals, etc.) |
431 |
| D13/147 |
Linear array of identical repeating ports or contacts (i.e., in-line array) |
2169 |
| D13/180 |
Electron or vacuum tube (23) |
444 |
| D13/181 |
Cathode ray |
2 |
| D13/179 |
Heat sink |
351 |
| D13/129 |
Insulator (7) |
32 |
| D13/132 |
Bilaterally symmetrical (9) |
32 |
| D13/131 |
Symmetrical on two axes (9) |
29 |
| D13/130 |
Three or more repeats, or uniform configuration, about axis (8) |
3 |
| D13/128 |
Railway component |
3 |
| D13/182 |
Semiconductor, transistor or integrated circuit (24) |
554 |
| D13/158 |
Switch or casing therefor (18) |
308 |
| D13/171 |
Button operated |
345 |
| D13/160 |
Circuit breaker, current suppressor or fuse, or casing therefor (19) |
239 |
| D13/161 |
Fuse (20) |
82 |
| D13/162 |
Control panel, console or module |
553 |
| D13/163 |
Console or floor type |
31 |
| D13/164 |
Linear array of three or more identical control or display elements |
462 |
| D13/162.1 |
Programmable controller |
82 |
| D13/173 |
Element or attachment |
96 |
| D13/174 |
Actuator (e.g., button, slide, etc.) |
145 |
| D13/175 |
Blade or pivoting contact |
8 |
| D13/178 |
Circuit breaker, current suppressor or fuse |
64 |
| D13/177 |
Face panel or cover (22) |
174 |
| D13/176 |
Reed switch |
2 |
| D13/167 |
Foot operated |
59 |
| D13/168 |
Hand held or remote type |
613 |
| D13/165 |
Photocell operated (21) |
64 |
| D13/172 |
Reed type |
1 |
| D13/159 |
Relay |
56 |
| D13/170 |
Slide operated |
100 |
| D13/166 |
Solenoid operated |
12 |
| D13/169 |
Toggle, lever or rocker operated |
204 |
| D13/126 |
Vehicle ignition component (6) |
15 |
| D13/127 |
Spark or glow plug |
27 |
| D13/124 |
Voltage regulator |
8 |
| D13/101 |
Energy conversion or transformation |
80 |
| D13/107 |
Battery charger |
488 |
| D13/108 |
Cordless appliance type |
537 |
| D13/109 |
With provision for mobility (e.g., wheeled, etc.) |
7 |
| D13/103 |
Battery or casing therefor (1) |
791 |
| D13/104 |
Plural cell automotive type |
29 |
| D13/106 |
Pass-through hand or finger grip |
34 |
| D13/105 |
Simulative (2) |
1 |
| D13/118 |
Element or attachment |
108 |
| D13/119 |
Battery |
196 |
| D13/120 |
Connector (e.g., terminal, clamp, etc.) (4) |
153 |
| D13/121 |
Electrode (i.e., grid or plate type) |
12 |
| D13/122 |
Generator, motor or casing therefor |
98 |
| D13/112 |
Generator, motor or casing therefor |
154 |
| D13/114 |
Dynamoelectric machine (e.g., generator, etc.) |
65 |
| D13/115 |
Wind or hand powered |
47 |
| D13/116 |
With handle, bar or loop for lifting |
59 |
| D13/113 |
Engine starter type |
15 |
| D13/117 |
Inductor (e.g., coil, etc.) |
27 |
| D13/102 |
Solar unit or component thereof |
188 |
| D13/110 |
Transformer, rectifier or casing therefor (3) |
686 |
| D13/111 |
Electric fence energizer |
3 |
| D13/183 |
Magnet |
50 |
| D13/199 |
Miscellaneous |
99 |
| D13/100 |
Solid fuel |
37 |
