Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 4238461 | Removal of odors from gas streams Odoriferous constituents are removed from relatively dry and/or warm gas streams by contacting the gas with a very finely divided aqueous spray containing a reagent reactive toward the odoriferous constituents of the gas. Droplet size of the aqueous spray... | 12/09/1980 |
| 4220613 | Liquid feeder A liquid feeder comprises an assembly of chemicals-feeding nozzles, each of which is fabricated by securing wall members, having nozzle holes each, between pairs of adjacent tubes, thereby forming a boxlike nozzle. The tubes are those of a flow path or ci... | 09/02/1980 |
| 4168958 | Smoke stack air washer A cleaner for the products of combustion in a smoke stack in the form of a vertically elongated chamber having a multiplicity of inclined baffles extending from opposite sides of the chamber to beyond the center line thereof and water spray devices locate... | 09/25/1979 |
| 4158702 | Gas cleansing means Method and apparatus for treating gases by passing said gases horizontally through a plurality of spray zones wherein the gases are contacted in each spray zone with scrubbing medium in a plurality of vertically disposed bays; utilizing a scrubbing medium... | 06/19/1979 |
| 4138217 | Carbon black reactor A carbon black reactor is comprised of a housing which defines a precombustion zone, a reaction zone and a quench zone which are in flow communication. Inlet means open into the precombustion zone or the reaction zone and is operable to introduce make hyd... | 02/06/1979 |
| 4130611 | Attemperator An attemperator in the form of a steam desuperheater is disclosed herein and comprises a water tube adapted to be connected to a source of water under high pressure and a spray tube communicating with the water tube through a flow-control device for contr... | 12/19/1978 |
| 4115072 | Retractable fluids spraying assembly A fluids spraying assembly for use with pressure vessels, the assembly being adapted to permit the spraying head to be retracted for inspection and replaced in spraying use without leakages of gases from the pressure vessel.... | 09/19/1978 |
| 4072470 | Gas feeder for sulfonation apparatus A sulfonation apparatus comprising a gas feeder for feeding a first stream of SO3 -containing gas and a second stream of inert gas into contact with an annular film of sulfonatable material.... | 02/07/1978 |
| 4051211 | Apparatus and process A process and apparatus is described by means of which the pollution of the surrounding atmosphere by the fumes of isocyanate, liberated during the continuous formation of isocyanate-based polymer foam bunstock, is minimized. The bunstock, after the foam ... | 09/27/1977 |
| 3983192 | Water cooling arrangement The arrangement includes a plurality of vertical water pipes with nozzles arranged on the pipes in a manner to minimize interaction between the water droplets coming from the nozzles. The arrangement consists of a plurality of spaced vertical water pipes ... | 09/28/1976 |
| 3981156 | Vapor recovery system and method A method of recovering vapors from exhausts or vents of containers of volatile substances comprising the steps of: providing a scrubber for connection to the vapor space of the container to receive a flow of vapors therefrom; providing a reservoir of abso... | 09/21/1976 |
| 3965690 | Air washer piping A piping arrangement for an air washer is disclosed which enables the air washer to maintain constant dewpoint of air passing from the leaving side of the air washer. Chilled water is sprayed from a first manifold and is used to cool air to a required wet... | 06/29/1976 |
| 3957468 | Carburetor 1. A carburetor comprising a vertically elongated casing having an inlet port adjacent but spaced above its lower end and having an outlet port spaced above said inlet port, a series of horizontally elongated vertically spaced baffles in the casing arrang... | 05/18/1976 |
| 3939881 | Apparatus for controlling dust emissions Apparatus for precipitating dust from a region surrounding an area from which dust emanates. The apparatus includes a fluid supply conduit for carrying water under pressure to the region adjacent the dust, area, a proportioning pump for injecting a presel... | 02/24/1976 |