Tobacco Patents (Class 131)
- Including perforating (Class 131/281)
- Including arranging, collecting, or delivering (Class 131/282)
- With coating or printing (Class 131/284)
- Including fingerlike member which alternately engages and releases product (Class 131/285)
- With cleaning away unwanted product component, e.g., gum or adhesive (Class 131/286)
- Including cooperating surfaces to induce rolling (Class 131/27.1)
- Wrapping devices (Class 131/58)
- Molding or forming (Class 131/77)
- Tip or mouthpiece applying or forming (Class 131/88)
- Recovery of tobacco from cigarettes and cigars (Class 131/96)
- Wrappers holders and carriers (Class 131/105)
- Cigar tagging or labeling (Class 131/106)
- Bundling (Class 131/107)
- Tobacco feeding (Class 131/108)
- Puffing (Class 131/291)
- Extraction of component, other than moisture, by contact with diverse medium (Class 131/297)
- With electrical or radiant energy (Class 131/299)
- With fluid or fluent material (Class 131/300)
- Including leaf disintegration (Class 131/311)
- Leaf stemming (Class 131/313)
- Leaf straightening, brushing, smoothing, rolling, corrugating, or flattening with or without stem crushing (Class 131/324)
- Leaf associating or disassociating (Class 131/327)
- Device used for smoking (Class 131/330)
- With ash receiver (Class 131/231)
- Smoking device cleaners
- Pipe tampers (Class 131/247)
- Cigar and cigarette end cutters, combined (Class 131/248)
- Cigar tip perforators or slitters (Class 131/253)
- Cigar or cigarette extinquishers (Class 131/256)
- Supports (Class 131/257)
- Having a polymer (Class 131/332)
- By electric, magnetic, or radioactive action (Class 131/333)
- By chemical reaction, e.g., ion-exchange, chelating, catalytic, etc. (Class 131/334)
- By adding constituent to smoke stream (Class 131/335)
- Having means to vary smoke flow rate (Class 131/338)
- Interior surface causes particular flow characteristic (Class 131/339)
- Plural diverse elements (Class 131/341)
- Including a cellulose ester or ether (Class 131/345)
- With indicator or inspection means (Class 131/346)
- Pipe cartridges (Class 131/348)
- With ash retainer or means to prevent or retard burning (Class 131/349)
- With means to pierce or protect cigar end structure (Class 131/350)
- With means to facilitate ignition (Class 131/351)
- Compositions, e.g., smoking or chewing mixture or medium (Class 131/352)
- Cigar or cigarette (Class 131/360)
- Plug tobacco (Class 131/366)
