| Class Number |
Class Name |
No. of Patents |
| 187/390 |
Alarm system |
34 |
| 187/902 |
Control for double-decker car |
37 |
| 187/901 |
Control modified for use by disabled individual |
24 |
| 187/396 |
General information display (e.g., store directories) |
65 |
| 187/395 |
Having call button with indicator |
68 |
| 187/247 |
Having computer control of elevator |
201 |
| 187/248 |
Includes redundant circuitry |
21 |
| 187/345 |
Having fluid dampening means regulating load support movement |
10 |
| 187/347 |
Includes piston and cylinder attached to support by cable |
4 |
| 187/346 |
With fluid coacting portion carried by load support |
7 |
| 187/249 |
Having independent supports carrying distinct loads and sharing common path |
84 |
| 187/343 |
Having means cushioning contact of load support with terminus of shaft |
18 |
| 187/344 |
Fluid resistance or shock absorber-type means |
9 |
| 187/350 |
Having means engaging cable attached to load support, or its guide, to slow load support |
41 |
| 187/413 |
Having specific arrangement or connection of electrical or fluid service line |
60 |
| 187/404 |
Having specific counterbalance means for load support |
70 |
| 187/405 |
Includes variable weight |
14 |
| 187/411 |
Having specific force transmitting connection for counterweight or load support |
75 |
| 187/412 |
Equalizes tension in, or length of, plural linking cables |
20 |
| 187/409 |
Having specific guide shoe |
55 |
| 187/410 |
With roller |
71 |
| 187/250 |
Having specific load support drive-means or its control |
99 |
| 187/276 |
Includes control for power source of drive-means |
28 |
| 187/306 |
Actuated by human operator engaging specific input part |
14 |
| 187/311 |
Using cable to transmit input |
1 |
| 187/312 |
Running cable type |
0 |
| 187/307 |
With means for locking input part of control against movement by operator |
0 |
| 187/308 |
Actuated by position or movement of access barrier or its position lock |
4 |
| 187/309 |
Having barrier position lock operable only when load support or control input part safely positioned |
6 |
| 187/310 |
With common actuation of barrier position lock and input part locking means |
3 |
| 187/302 |
Actuated by load support contacting trip in shaft |
5 |
| 187/303 |
Having trip at each of plural landings |
3 |
| 187/304 |
Trip supported on or formed by cable |
0 |
| 187/305 |
Actuated by load support speed sensor or governor |
28 |
| 187/301 |
Actuated by location of access barrier or its lock |
4 |
| 187/300 |
Actuated by presence of obstruction in shaft |
13 |
| 187/277 |
With specific electrical component |
79 |
| 187/281 |
Actuated by excessive load |
14 |
| 187/282 |
Actuated by load support contacting trip in shaft |
19 |
| 187/283 |
Having trip at each of plural landings |
14 |
| 187/284 |
And means for final leveling |
22 |
| 187/280 |
Actuated by location of access barrier or its lock |
31 |
| 187/278 |
Actuated by movement of building (e.g., seismic activity) |
15 |
| 187/279 |
Actuated by presence of obstruction in shaft |
13 |
| 187/288 |
Control actuates mechanical braking means for power source |
75 |
| 187/289 |
For electric power source |
81 |
| 187/298 |
Actuated by human operator engaging specific input part |
11 |
| 187/299 |
With means locking input part of control against movement |
1 |
| 187/293 |
Controls power source speed |
107 |
| 187/294 |
Actuated near terminus of shaft |
26 |
| 187/295 |
Having control signal pattern generator |
41 |
| 187/296 |
Limited to power source (i.e., motor) utilizing a.c. power |
121 |
| 187/297 |
Limited to power source (i.e., motor) utilizing d.c. power |
21 |
| 187/291 |
Having means for final leveling |
63 |
| 187/290 |
With auxiliary supply of electricity |
98 |
| 187/292 |
With means for stopping vibration or bump start |
99 |
| 187/285 |
For fluid-type power source |
45 |
| 187/286 |
Actuated by load support speed sensor or governor |
38 |
| 187/287 |
Includes safety cut off switch actuated by load support speed sensor or governor |
37 |
| 187/272 |
Includes fluid supporting ram in drive-means |
68 |
| 187/274 |
Plural fluid rams having interrelated operation |
42 |
| 187/273 |
Pneumatic (e.g., steam) |
25 |
| 187/275 |
With fluid flow controlling means |
75 |
| 187/270 |
Includes gear on support mating with stationary rack or chain |
46 |
| 187/271 |
Worm-type gear |
11 |
| 187/251 |
Includes linking support cable (e.g., rope, chain) in drive-means |
77 |
| 187/252 |
And reciprocatingly shifted pulley wheel pulling thereon |
21 |
| 187/253 |
Shifted by fluid ram |
51 |
| 187/254 |
And rotatably driven drum pulling thereon |
154 |
| 187/261 |
Cable accumulating-type drum |
28 |
| 187/262 |
Having cable guiding pulley wheel spaced therefrom |
30 |
| 187/266 |
Having cable guiding pulley wheel spaced therefrom |
120 |
| 187/256 |
Plural driven drums |
35 |
| 187/259 |
Cable accumulating-type drums |
22 |
| 187/260 |
Different size drums |
3 |
| 187/257 |
Each moves distinct load support |
11 |
| 187/258 |
Having distinct drive motors |
20 |
| 187/255 |
With projections or apertures for engaging complementary formations on cable (e.g., sprocket) |
29 |
| 187/264 |
With separate biasing means maintaining cable tension |
46 |
| 187/265 |
Includes spring supported pulley |
9 |
| 187/263 |
With structure adapting drum for manual drive |
44 |
| 187/269 |
Includes scissored supporting levers in drive-means |
108 |
| 187/267 |
Includes threaded rider mating with support screw in drive-means |
61 |
| 187/268 |
Driven rider |
25 |
| 187/401 |
Having specific load support structure or arrangement (e.g., car framing) |
119 |
| 187/402 |
Arranged to carry masonry hod |
1 |
| 187/403 |
With means for engaging wheels of carried vehicle |
11 |
| 187/351 |
Having specific means contacting or on load support for stopping or slowing thereof |
33 |
| 187/352 |
Includes gear on support mating with stationary rack |
3 |
| 187/353 |
Worm-type gear |
0 |
| 187/359 |
Includes movable contact component on support for engaging shaft structure |
20 |
| 187/361 |
Actuated by change in suspension or counterweight cable tension |
15 |
| 187/363 |
And interlocking with complementary stationary formation (e.g., catches) |
15 |
| 187/366 |
Plural pivotally attached gripping contact components engaging common rail |
4 |
| 187/364 |
Slidably mounted contact component |
1 |
| 187/365 |
Slides perpendicular to path of support |
2 |
| 187/362 |
And shaped to cut into cooperating structure |
5 |
| 187/367 |
Pivotally attached contact component |
13 |
| 187/370 |
Plural gripping contact components engaging common rail |
11 |
| 187/368 |
With eccentric camming face |
7 |
| 187/369 |
Having similar contact component cooperating to grip common rail |
4 |
| 187/371 |
Slidably mounted contact component |
5 |
| 187/372 |
Having wedge shape or sliding along incline |
23 |
| 187/377 |
Actuated by human operator |
13 |
| 187/378 |
And interlocking with complementary stationary formation |
3 |
| 187/379 |
Pivotally attached contact component |
4 |
| 187/373 |
Actuated by load support speed governor or sensor |
58 |
| 187/374 |
Pivotally attached contact component |
11 |
| 187/375 |
Plural gripping contact components engaging common rail |
17 |
| 187/376 |
Slidable contact component having wedge shape or sliding along incline |
39 |
| 187/360 |
Interlocking only with structure of landings or terminus of shaft |
14 |
| 187/354 |
Means actuated by access barrier movement |
2 |
| 187/355 |
And having movable contact component carried by support |
2 |
| 187/356 |
Stationarily mounted and having disparate movable contact component |
13 |
| 187/358 |
Having drive-means for component powered by load support motion |
1 |
| 187/357 |
Mounted only at landings or terminus of shaft |
9 |
| 187/406 |
Having specific stationary guiding structure for counterbalance means or load support |
109 |
| 187/408 |
And mounting means therefor |
63 |
| 187/407 |
Formed from cable |
7 |
| 187/245 |
Inclined elevator |
40 |
| 187/246 |
Having linking cable tension change actuated stopping means for load support |
8 |
| 187/222 |
Industrial lift truck or required component thereof (e.g., forklift) |
136 |
| 187/224 |
Having control for load support drive-means |
77 |
| 187/226 |
Having extensible vertical guide for load support |
95 |
| 187/228 |
And guiding means for fluid drive line |
26 |
| 187/229 |
Extended by single fluid ram |
34 |
| 187/227 |
Guide or drive-means therefor positioned to enhance operator visibility |
50 |
| 187/230 |
Specific vertical guide |
24 |
| 187/225 |
Having foldable vertical guide |
6 |
| 187/223 |
Having safety cutoff control |
33 |
| 187/233 |
Having specific drive-means for load support |
35 |
| 187/235 |
Including cable accumulating-type drum |
17 |
| 187/234 |
Including fluid ram |
72 |
| 187/236 |
Including gear and mating rack or chain |
10 |
| 187/238 |
Having specific guide means for load support |
54 |
| 187/237 |
Having specific load support structure (e.g., forks) |
77 |
| 187/231 |
Having structure allowing propulsion or steering by walking attendant |
38 |
| 187/232 |
With stabilizing outrigger |
15 |
| 187/414 |
Miscellaneous |
179 |
| 187/239 |
Mounted on exterior of building |
54 |
| 187/200 |
Stairway assist for individual or minor barrier (e.g., curb) lift for impaired individual |
86 |
| 187/201 |
Mounted adjacent stairway for travel parallel thereto |
64 |
| 187/202 |
Having specific means contacting or on load support for stopping thereof |
11 |
| 187/203 |
Stationary lift for roadway vehicle or required component thereof |
32 |
| 187/207 |
Having position lock for engaging sustaining drive means or guide means of support |
25 |
| 187/208 |
Ratchet bar and latching pawl-type lock |
35 |
| 187/210 |
Having specific drive means for support |
35 |
| 187/213 |
Includes driven sustaining columns on opposite sides of support |
51 |
| 187/214 |
Having threaded rider and mating screw |
15 |
| 187/211 |
Includes plural sustaining levers (e.g., scissored levers) |
63 |
| 187/215 |
Includes sustaining fluid ram |
29 |
| 187/212 |
Powered by vehicle being lifted |
3 |
| 187/216 |
Having specific vehicle support structure (e.g., trackways) |
27 |
| 187/221 |
Includes auxiliary or adjustably spaced trackway |
23 |
| 187/218 |
Includes portion positioned or shaped to engage axle or undercarriage |
13 |
| 187/219 |
Portion adjusts to plural use positions |
40 |
| 187/220 |
Portion moves from use to nonuse configuration (e.g., alternate supports) |
12 |
| 187/217 |
With movable stop engaging vehicle wheel |
23 |
| 187/204 |
With distinct jack on vehicle support |
25 |
| 187/205 |
With floor pit opening for support and safety cover therefor |
20 |
| 187/209 |
With safety cutoff for drive means |
20 |
| 187/206 |
With safety prop or braking rod for support |
19 |
| 187/900 |
Temporary construction elevator for building |
36 |
| 187/240 |
Transportable elevator |
37 |
| 187/242 |
Knockdown or collapsible for transport |
28 |
| 187/243 |
Wheel supported |
71 |
| 187/241 |
Nonself supporting-type (e.g., leaned against building) |
19 |
| 187/244 |
Wheel supported |
128 |
| 187/313 |
With barrier for regulating access to load support |
49 |
| 187/315 |
Includes motor or motor driven linkage for shifting barrier |
16 |
| 187/318 |
Shifts barrier mounted at landing |
7 |
| 187/321 |
Motor stationarily mounted and linkable to barriers on different landings |
3 |
| 187/322 |
Includes rotating shaft extending between landings |
0 |
| 187/323 |
Nonelectric motor |
1 |
| 187/320 |
Plural interconnected motors shift barriers at different landings |
4 |
| 187/319 |
Through coupling with barrier on load support |
44 |
| 187/324 |
Shifts sliding barrier on load support |
37 |
| 187/316 |
With specific electrical control therefor |
138 |
| 187/317 |
Includes object detecting sensor or switch on barrier |
60 |
| 187/325 |
Including barrier mounted at landing |
20 |
| 187/326 |
Barrier shifted by drive-means powered by motion of load support |
3 |
| 187/329 |
Having cable and guiding pulley therefor in drive-means |
1 |
| 187/327 |
Having endless driving belt in drive-means |
2 |
| 187/328 |
Having rotatably driven drum and cable pulled thereby in drive-means |
1 |
| 187/332 |
Collapsible or rollable type |
1 |
| 187/333 |
Slideably mounted |
36 |
| 187/330 |
With means to couple to barrier on load support |
45 |
| 187/331 |
With position lock therefor |
27 |
| 187/334 |
Including slideably mounted barrier on load support |
44 |
| 187/335 |
With position lock therefor |
48 |
| 187/314 |
Operation variable for emergency, maintenance, or abnormal condition |
58 |
| 187/380 |
With call registration means |
114 |
| 187/388 |
Also directs response |
36 |
| 187/381 |
Having call cancel or refuse feature |
24 |
| 187/389 |
Includes specific floor selector |
22 |
| 187/382 |
Shared by plural load supports |
166 |
| 187/387 |
Assigns calls to load supports on predetermined basis |
105 |
| 187/383 |
Assigns load supports to zones |
59 |
| 187/385 |
Dispatches load supports from designated landing |
30 |
| 187/386 |
Frequency based on interval of time |
14 |
| 187/384 |
Having security or priority preemption feature |
54 |
| 187/336 |
With closure means for shaft opening through landing |
21 |
| 187/342 |
Including closure bodily carried along shaft by load support |
1 |
| 187/337 |
Including pivoted closure |
3 |
| 187/338 |
Shifted by drive-means powered by load support motion |
0 |
| 187/339 |
With closure latching means |
3 |
| 187/340 |
Including transversely sliding closure |
8 |
| 187/341 |
Shifted by drive-means powered by load support motion |
1 |
| 187/349 |
With condition actuated means releasing load support from drive-means |
9 |
| 187/348 |
With emergency running suspension cable for load support |
9 |
| 187/391 |
With monitoring, signalling, and indicating means |
309 |
| 187/393 |
Monitors operational parameter |
220 |
| 187/394 |
Load support position |
169 |
| 187/392 |
Monitors passengers |
129 |
| 187/400 |
With safety or sealing means for gap between load support and landing |
23 |
| 187/397 |
With visual indicator of movement of load support |
28 |
| 187/399 |
Indicates existing location |
32 |
| 187/398 |
Indicates particular one of plural load supports responding |
18 |
