| Class Number |
Class Name |
No. of Patents |
| 131/270 |
Antismoking product or device, i.e., deterent |
128 |
| 131/271 |
No smoke to user |
32 |
| 131/272 |
Smoke to air ratio controlled |
5 |
| 131/273 |
Smoking simulator |
87 |
| 131/280 |
Cigar or cigarette making |
161 |
| 131/107 |
Bundling |
2 |
| 131/106 |
Cigar tagging or labeling |
1 |
| 131/282 |
Including arranging, collecting, or delivering |
149 |
| 131/283 |
And packing |
66 |
| 131/27.1 |
Including cooperating surfaces to induce rolling |
17 |
| 131/47 |
Apron type |
2 |
| 131/54 |
Aprons |
2 |
| 131/48 |
With moving table |
0 |
| 131/49 |
Rotating or oscillating table |
0 |
| 131/50 |
With stationary table |
0 |
| 131/51 |
With movable roll type member |
3 |
| 131/52 |
Swinging roll support |
0 |
| 131/53 |
Vertical axis |
0 |
| 131/55 |
Belt type |
12 |
| 131/28 |
Combined |
8 |
| 131/37 |
With adhesive supply or applier |
19 |
| 131/45 |
With bunch pre-compressor |
1 |
| 131/46 |
With end trimmer or completed article cutter |
4 |
| 131/38 |
With filler tobacco or bunch feeder |
1 |
| 131/40 |
With bunch separator |
0 |
| 131/41 |
With bunch pre-compressor |
0 |
| 131/42 |
Ribbon feed |
1 |
| 131/43 |
Table mold |
1 |
| 131/44 |
With hopper discharger |
0 |
| 131/39 |
With plural feed |
5 |
| 131/36 |
With pre-cut wrapper feed and/or holder or smoother |
13 |
| 131/32 |
With subsequent wrapping or forming operations |
10 |
| 131/29 |
With tip or mouthpiece applier or former |
15 |
| 131/30 |
With stationary smoother |
0 |
| 131/31 |
With tobacco treatment |
26 |
| 131/33 |
With wrapper cutter |
9 |
| 131/34 |
Continuous wrapper |
10 |
| 131/35 |
With adhesive supply or applier |
19 |
| 131/57.5 |
Drum and concave surfaces |
4 |
| 131/56 |
Roller type |
4 |
| 131/57 |
Roller |
6 |
| 131/285 |
Including fingerlike member which alternately engages and releases product |
4 |
| 131/281 |
Including perforating |
111 |
| 131/77 |
Molding or forming |
30 |
| 131/78 |
Combined |
20 |
| 131/82 |
With bunch remover and/or transfer |
0 |
| 131/80 |
With plural molding or forming |
6 |
| 131/81.1 |
With tobacco or bunch feed |
2 |
| 131/79 |
With tobacco treatment |
35 |
| 131/83.1 |
With trimmer, perforator or slitter |
10 |
| 131/84.1 |
Continuous rod or ribbon former |
250 |
| 131/84.3 |
With pneumatic assist for tobacco movement |
144 |
| 131/84.2 |
With transverse compression |
51 |
| 131/84.4 |
With trimmer for rod or ribbon |
147 |
| 131/85 |
Molds |
3 |
| 131/86 |
Plural |
1 |
| 131/87 |
Rotary or endless carrier |
1 |
| 131/96 |
Recovery of tobacco from cigarettes and cigars |
42 |
| 131/88 |
Tip or mouthpiece applying or forming |
43 |
| 131/89 |
End tucker, folder, crimper, smoother |
3 |
| 131/93 |
Rotating type |
13 |
| 131/90 |
With adhesive supply or applier |
23 |
| 131/91 |
With cutter or trimmer |
9 |
| 131/92 |
With heater and/or end punch |
13 |
| 131/94 |
Plug attaching or inserting |
171 |
| 131/95 |
Sheet material tip |
35 |
| 131/108 |
Tobacco feeding |
113 |
| 131/109.1 |
With brushing, carding, or picking means |
76 |
| 131/109.2 |
With separator for tobacco dust, stems or foreign material |
55 |
| 131/109.3 |
With vibrating tamper or rake |
36 |
| 131/110 |
With separator or suction device |
116 |
| 131/286 |
With cleaning away unwanted product component, e.g., gum or adhesive |
8 |
| 131/288 |
By liquid means |
3 |
| 131/287 |
By pneumatic means |
7 |
| 131/289 |
By scraping, wiping, etc. |
4 |
| 131/284 |
With coating or printing |
36 |
| 131/105 |
Wrappers holders and carriers |
36 |
| 131/58 |
Wrapping devices |
37 |
| 131/60 |
Longitudinally fed continuous wrapper |
31 |
| 131/65 |
With completed article cutter |
25 |
| 131/61.1 |
With tip or mouthpiece applier or former |
12 |
| 131/66.1 |
With tobacco rod preshaper |
6 |
| 131/66.2 |
With transverse or longitudinal compression |
4 |
| 131/62 |
With tobacco treatment |
23 |
| 131/63 |
With completed article cutter |
4 |
| 131/64.1 |
With tobacco rod preshaper |
2 |
| 131/64.2 |
With transverse or longitudinal compression |
4 |
| 131/67 |
With wrapper sealing |
24 |
| 131/69 |
With adhesive supply or applier |
40 |
| 131/68 |
With heating means |
19 |
| 131/59 |
Spirally wound continuous wrapper |
5 |
| 131/70 |
Tube filling type |
46 |
| 131/75 |
Mold with encircling wrapper tube |
22 |
| 131/74 |
With hopper feed of tubes |
4 |
| 131/71 |
With tip or mouthpiece applier or former |
8 |
| 131/72 |
Plug inserting |
12 |
| 131/73 |
With tube making |
10 |
| 131/76 |
With tip or mouthpiece applier or former |
15 |
| 131/907 |
Ejection or rejection of finished article due to detected or sensed condition |
43 |
| 131/903 |
Fixing the product after puffing |
23 |
| 131/902 |
Inorganic chemical agents employed in puffing tobacco |
7 |
| 131/900 |
Liquified gas employed in puffing tobacco |
27 |
| 131/328 |
Making or using tobacco users' appliance |
33 |
| 131/370 |
Method or apparatus for making reconstituted tobacco |
68 |
| 131/371 |
Dust impingement |
8 |
| 131/375 |
Extrusion |
38 |
| 131/373 |
Impregnation of web |
3 |
| 131/374 |
Paper process |
24 |
| 131/372 |
Slurry |
34 |
| 131/369 |
Method or apparatus for making tobacco substitute |
95 |
| 131/901 |
Organic liquid employed in puffing tobacco |
12 |
| 131/DIG.1 |
Pipe literature |
0 |
| 131/111 |
Plug or compressed shape making |
10 |
| 131/116 |
Continuous sheet type |
2 |
| 131/117 |
With cutting |
13 |
| 131/119 |
Molds |
2 |
| 131/112 |
Packing or bundling |
5 |
| 131/113 |
Tagging or labeling |
1 |
| 131/114 |
With tag or label making |
0 |
| 131/115 |
Turret type |
2 |
| 131/118 |
With cutting |
10 |
| 131/904 |
Pneumatic means for sensing condition or characteristic |
35 |
| 131/274 |
Product or device having identifiable constituent to flavor or enhance flavor |
56 |
| 131/275 |
Naturally occurring or synthetic duplicate |
71 |
| 131/276 |
Organic compound |
347 |
| 131/279 |
Containing a sulphor atom |
22 |
| 131/277 |
Heterocyclic |
115 |
| 131/278 |
Containing nitrogen as hetro atom |
48 |
| 131/905 |
Radiation source for sensing condition or characteristic |
73 |
| 131/909 |
Sensing condition in feed hopper for cigar or cigarette making |
29 |
| 131/906 |
Sensing condition or characteristic of continuous tobacco rod |
91 |
| 131/910 |
Sensing or detecting malfunction in cigar or cigarette maker |
28 |
| 131/908 |
Sensing unique characteristic or specific condition of finished product |
61 |
| 131/331 |
Smoke separator or treater |
217 |
| 131/335 |
By adding constituent to smoke stream |
155 |
| 131/336 |
Air |
233 |
| 131/337 |
Having destructible, fusible, soluble, or deformable container for treatment material |
33 |
| 131/334 |
By chemical reaction, e.g., ion-exchange, chelating, catalytic, etc. |
132 |
| 131/333 |
By electric, magnetic, or radioactive action |
19 |
| 131/332 |
Having a polymer |
95 |
| 131/338 |
Having means to vary smoke flow rate |
62 |
| 131/345 |
Including a cellulose ester or ether |
76 |
| 131/339 |
Interior surface causes particular flow characteristic |
138 |
| 131/340 |
By use of specific filter mass |
94 |
| 131/341 |
Plural diverse elements |
104 |
| 131/342 |
Including particulate material |
128 |
| 131/344 |
Occupying plural, separate, distinct zones |
86 |
| 131/343 |
Plasticizer or adhesive coating |
63 |
| 131/346 |
With indicator or inspection means |
14 |
| 131/347 |
Tobacco or tobacco substitute product or component part thereof |
33 |
| 131/360 |
Cigar or cigarette |
158 |
| 131/364 |
Blank or filler |
108 |
| 131/361 |
End structure |
118 |
| 131/362 |
Coated or impregnated |
39 |
| 131/363 |
Filler penetrating |
20 |
| 131/365 |
Wrapper or binder |
281 |
| 131/352 |
Compositions, e.g., smoking or chewing mixture or medium |
133 |
| 131/353 |
Reconstituted tobacco |
53 |
| 131/356 |
Having tobacco extracts or tobacco paste |
29 |
| 131/354 |
Material coated with tobacco dust or particle |
13 |
| 131/355 |
Tobacco particles bonded by nontobacco adhesive |
35 |
| 131/357 |
Tobacco sheet formed from wet ground or wet beaten tobacco |
14 |
| 131/358 |
Wrapper |
35 |
| 131/359 |
Tobacco substitute, i.e., nontobacco |
216 |
| 131/348 |
Pipe cartridges |
4 |
| 131/366 |
Plug tobacco |
13 |
| 131/367 |
Having specific shape |
5 |
| 131/368 |
With indentification, marking, label, or tag |
2 |
| 131/349 |
With ash retainer or means to prevent or retard burning |
65 |
| 131/351 |
With means to facilitate ignition |
18 |
| 131/350 |
With means to pierce or protect cigar end structure |
1 |
| 131/290 |
Tobacco treatment |
131 |
| 131/297 |
Extraction of component, other than moisture, by contact with diverse medium |
114 |
| 131/298 |
By organic solvent |
66 |
| 131/311 |
Including leaf disintegration |
24 |
| 131/312 |
And separation of fibers of different character |
33 |
| 131/327 |
Leaf associating or disassociating |
16 |
| 131/313 |
Leaf stemming |
20 |
| 131/315 |
And straightening, smoothing, flattening, or cleaning |
4 |
| 131/316 |
Booking |
1 |
| 131/317 |
Stemmed by rotary or endless cutter |
4 |
| 131/322 |
By cutting |
9 |
| 131/323 |
Stem die type |
0 |
| 131/318 |
By fluid current |
3 |
| 131/319 |
By tearing |
10 |
| 131/321 |
Card clothing type |
1 |
| 131/320 |
Including transverse stem cutting |
3 |
| 131/314 |
With stem cleaning |
3 |
| 131/324 |
Leaf straightening, brushing, smoothing, rolling, corrugating, or flattening with or without stem crushing |
9 |
| 131/325 |
And cleaning |
8 |
| 131/326 |
Booking |
1 |
| 131/291 |
Puffing |
95 |
| 131/293 |
By chemical reaction |
15 |
| 131/296 |
By contact with hot gaseous medium |
112 |
| 131/295 |
By high frequency field |
15 |
| 131/294 |
By radiant energy |
15 |
| 131/292 |
Including freeze drying |
5 |
| 131/299 |
With electrical or radiant energy |
31 |
| 131/300 |
With fluid or fluent material |
104 |
| 131/308 |
Containing enzymes to cause fermentation |
33 |
| 131/302 |
Including means to circulate fluid |
76 |
| 131/303 |
And temperature or humidity control of fluid |
90 |
| 131/304 |
Including means to convey tobacco |
81 |
| 131/306 |
Including means to convey tobacco |
55 |
| 131/307 |
Including expressing rolls |
5 |
| 131/301 |
Including means to create a vacuum |
14 |
| 131/309 |
Other than water, steam, or air |
62 |
| 131/310 |
Organic |
57 |
| 131/305 |
Within rotary drum-type apparatus |
38 |
| 131/329 |
Tobacco users' appliance |
164 |
| 131/248 |
Cigar and cigarette end cutters, combined |
35 |
| 131/249 |
With igniter or scratching surface |
15 |
| 131/252 |
With perforator or slitter |
6 |
| 131/250 |
With receptacle or holder |
18 |
| 131/250.1 |
Dispensing type |
0 |
| 131/251 |
Match receptacle |
1 |
| 131/256 |
Cigar or cigarette extinquishers |
76 |
| 131/253 |
Cigar tip perforators or slitters |
22 |
| 131/254 |
Pin or drill |
20 |
| 131/255 |
Punch |
23 |
| 131/330 |
Device used for smoking |
78 |
| 131/193 |
Base burner type |
4 |
| 131/222 |
Bowl detachable from neck cup |
11 |
| 131/226 |
Bowls |
34 |
| 131/187 |
Cigar and cigarette holders |
82 |
| 131/190 |
With movable gripper or holder |
17 |
| 131/188 |
With piercing device |
4 |
| 131/189 |
Smoke conducting |
9 |
| 131/178 |
Combined or convertible |
35 |
| 131/179 |
Plural smoking devices |
3 |
| 131/184.1 |
With cleaner, stirrer, or tamper |
6 |
| 131/184.2 |
Pipe bowl type |
6 |
| 131/184.3 |
With cleaner extending or operable through external passage |
3 |
| 131/182 |
With ejector |
5 |
| 131/183 |
Tobacco support type |
3 |
| 131/185 |
With igniter and/or match scratcher |
37 |
| 131/180 |
With storage means, feeder, and/or plural bowl |
29 |
| 131/181 |
Follower |
6 |
| 131/186 |
With support |
3 |
| 131/192 |
Foldable or collapsible |
11 |
| 131/194 |
Heat exchanging and/or insulating |
192 |
| 131/195 |
Cooling air passages |
26 |
| 131/196 |
Spaced inner bowl |
26 |
| 131/197 |
Plural reversely extending passages |
2 |
| 131/225 |
Joints and connections |
20 |
| 131/219 |
Lined or coated |
1 |
| 131/220 |
Bowl |
8 |
| 131/199 |
Longitudinally divided |
5 |
| 131/230 |
Materials and compositions |
7 |
| 131/221 |
Reversible bowl |
3 |
| 131/200 |
Smoke treating |
32 |
| 131/201 |
Material separator and trap |
26 |
| 131/214 |
Bowl detachable from neck cup |
5 |
| 131/211 |
Chamber enclosed tubes or nipples |
14 |
| 131/212.1 |
Smoke direction changing |
12 |
| 131/212.2 |
Concentric ducts |
13 |
| 131/202 |
Filter and/or absorber |
71 |
| 131/207 |
Absorbent or particulate |
17 |
| 131/203 |
Absorber only (no filtering) |
12 |
| 131/204 |
Lined or coated bowls or stems |
6 |
| 131/205 |
Tobacco supports |
7 |
| 131/206 |
With valve or external passage closure |
13 |
| 131/213 |
Plural reversely extending passages |
5 |
| 131/210 |
Serial checks or baffles |
25 |
| 131/209 |
Spiral passage |
8 |
| 131/215.1 |
With valve in smoke path or removable, external passage closure |
20 |
| 131/215.3 |
Valve |
20 |
| 131/215.2 |
With filter |
15 |
| 131/173 |
Smoke washing type |
80 |
| 131/216 |
Special smoke passages |
25 |
| 131/218 |
Plural reversely extending |
1 |
| 131/217 |
Spiral passage |
3 |
| 131/227 |
Stems, bits or tips |
13 |
| 131/229 |
Outlet end shapes and orifices |
13 |
| 131/228 |
With sleeve or cap |
3 |
| 131/198.1 |
Supplemental or substitute air inlet |
60 |
| 131/198.2 |
Adjustable air inlet type |
54 |
| 131/224 |
Tobacco supports |
12 |
| 131/191 |
Tubes |
20 |
| 131/174 |
Wind or ash guarding or ash receiving |
15 |
| 131/175 |
Cigar or cigarette holders |
66 |
| 131/176 |
Pipe covers |
6 |
| 131/177 |
With tamper or tamper type |
0 |
| 131/223 |
With valve or external passage closure |
12 |
| 131/247 |
Pipe tampers |
16 |
| | Smoking device cleaners | |
| 131/246 |
Bowl |
12 |
| 131/243 |
Combined or compound |
21 |
| 131/244 |
Fluid type |
5 |
| 131/245 |
Stem |
5 |
| 131/257 |
Supports |
32 |
| 131/258 |
Finger ring type |
5 |
| 131/260 |
Smoking device |
22 |
| 131/259 |
Staff type |
10 |
| 131/231 |
With ash receiver |
117 |
| 131/238 |
And devices for other use |
54 |
| 131/239 |
Match holder |
7 |
| 131/240.1 |
Cigar, cigarette, or smoking device rest or holder |
60 |
| 131/242.5 |
With cigar or cigarette ejector, dumper, or advancer |
3 |
| 131/242 |
With closure or covered compartment |
62 |
| 131/242.6 |
With grid or grille |
7 |
| 131/241 |
With special receiver support |
64 |
| 131/235.1 |
Extinguisher |
87 |
| 131/236 |
Liquid type |
20 |
| 131/237 |
Movable extinguishing member |
37 |
| 131/237.5 |
Split tube type |
7 |
| 131/234 |
Igniter or scratching surface |
13 |
| 131/232 |
Smoking device cleaner |
6 |
| 131/233 |
Tip cutter, perforator or slitter |
11 |