Gas: heating and illuminating > Patents

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Class Information
Number: 48
Name: Gas: heating and illuminating >
Description: This class relates only to gas for heating and illuminating purposes and includes apparatus, processes, and compositions for the manufacture of such gas and means for the purification, distribution, and storage thereof.

Class Number	Class Name	No. of Patents
	Acetylene
48/59	Carbide cartridges	1
48/60	Conglomerate	4
48/1	Generation and liquefaction	1
48/2	Generator and holder	1
48/3R	Generator and mixer	1
48/3A	Special features	1
	Generators
48/56	Automatic safety escape	1
48/38	Carbide feed	3
48/39	Apron or belt	1
48/40	Cock	0
48/41	Dip	0
48/42	Cell series	0
48/43	Flap valve	0
48/44	Hand	0
48/45	Dip	0
48/46	Measured charges	0
48/47	Cartridges	0
48/48	Rotary carrier	1
48/49	Vertical	2
48/50	Stationary	0
48/51	Piston	1
48/52	Plate valve	2
48/53	Pop valve	1
48/53.1	Bell operated	0
48/53.2	Bell and holder combined	0
48/53.3	Diaphragm operated	0
48/53.4	Float operated	0
48/54	Screw	0
48/55	Slide valve	1
48/57	Sludge remover	4
48/58	Valves, gas and water feed	0
48/4	Water feed	7
48/25	Capillary	2
48/26	Adjustable	1
48/24	Cell series	1
48/19	Ebb and flow	1
48/21	Cell series	1
48/22	Concentric	1
48/20	Series	0
48/29	Expansible carbide container	0
48/30	Expansible water holder	0
48/5	Holder operated	0
48/8	Cell series	0
48/9	Gasometer and high-pressure holder	0
48/10	Interior valve	1
48/11	Rotary cylinder	1
48/6	Series	0
48/7	Automatic switch	1
48/12	Underfeed	0
48/13	Valveless	0
48/14	Displacer	0
48/15	Flexible tube	0
48/16	Generator supported	0
48/17	Siphon	1
48/18	Tilting	0
48/31	Inexpansible gas holder and water feed	0
48/36	Interlocking devices	0
48/32R	Oscillating	0
48/32A	Floating generator or carbide container	0
48/32B	With inversion to contact carbide	0
48/27	Percolating	0
48/28	Pressure valves	0
48/37	Pressure valves	1
48/33	Rotary cylinder	0
48/34	Rotary grate	1
48/23	Series	1
48/35	Underfeed	1
48/127.9	Apparatus for converting or treating hydrocarbon gas	306
48/144	Carburetors	15
48/160	Gravity	0
48/170	Center and by-pass valves	1
48/DIG.10	Computer resisted control	30
48/127.1	Conversion of hydrocarbon gas and blending of product with further hydrocarbon gas, process	30
48/DIG.5	Diffusion membrane for gas reaction or separation	26
48/190	Distribution	54
48/193	Leakage	13
48/195	Odorizers	20
48/194	Preventing	9
48/191	Regulating pressure	32
48/192	Safety devices	65
48/173	Exhausters	1
48/61	Generators	340
48/62R	Cupola	106
48/87	Accessories	90
48/63	Air and steam injected	109
48/64	Superheated	8
48/85	Carbon monoxide	15
48/86R	Chargers	126
48/86A	Gas making underfeed	13
48/72	Coal and oil	9
48/73	Coal and water	78
48/71	Coal, oil and water	14
48/77	Coal	235
48/65	Electric	25
	Fuel agitating
48/85.1	Movable wall	6
48/85.2	Stirrer	21
48/75	Oil and steam injected	20
48/62A	Partial combustion carburetor	3
48/76	Producers	145
48/74	Refractory filling	10
48/66	Rotary bottom	21
48/67	Water jacket	56
48/68	Rotary bottom	12
48/69	Water-seal pit	73
48/78	Water	13
48/79	Carburetor	3
48/80	Fixer	0
48/81	Retort	2
48/84	Oil gas	3
48/82	Up-and-down run	2
48/83	Interlocking valves	3
	Hydrogen
48/116	Carburetor	8
48/117	Air	11
48/118	Floating oil	1
48/118.5	Portable	15
48/89	Retort	47
48/100	Coal and oil	3
48/99	Coal and water	22
48/98	Coal, oil and water	4
48/101	Coal	39
48/90	Domestic plants	1
48/113	Furnaces	14
48/92	Metal bath	64
48/93	Oil and gas injected	13
48/94	Oil and steam injected	89
48/95	Air	31
48/96	Carburetor	2
48/102R	Oil	9
48/107	Air injected	37
48/106	Automatic feed	2
48/103	Electric heater	21
48/104	Jet mixers	2
48/105	Steam injected	8
48/102A	Utilizing heat from exhaust gases	22
48/108	Water	5
48/109	Carburetor	0
48/110	Oil gas	0
48/111	Wood	172
48/112	Oil	2
48/DIG.3	High pressure	7
48/174	Holders	18
48/176	Bell and tank	6
48/177	Sectional bell	0
48/178	Collapsible	3
48/175	High-pressure safety escape	2
48/179	Tank	4
48/DIG.8	Internal combustion engine for gas making	10
48/127.3	Methane (natural gas) -containing product, or treatment or recovery process	95
48/127.5	Process including chemical reaction	60
48/127.7	Catalytic	95
48/180.1	Mixers	112
48/189.3	Auxilary air inlet	17
48/181	Bell and tank	0
48/182	Anterior	0
48/183	Posterior	0
48/184	Diaphragm	23
48/185	Gravity	0
48/189.4	Mixer in flow path of existing mixture	80
48/189.6	Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.	31
48/189.5	Rotating mixer	31
48/186	Pump	1
48/187	Rotary drum	4
48/188	Anterior	0
48/189	Posterior	30
48/189.1	Three or more different fluids entering apparatus	16
48/189.2	With heating means	26
48/DIG.4	Powdered fuel injection	61
48/197R	Processes	1007
48/216	Acetylene	13
48/217	Slow	0
48/219	Carbureting	5
48/201	Coal and oil	27
48/202	Coal and water	285
48/200	Coal, oil and water	33
48/210	Coal	442
48/197FM	Fuel mixtures	61
	Hydrogen
48/199R	Carbureting	5
48/199FM	Fuel mixtures	19
48/198.1	Manufacture from methane (natural gas)	78
48/198.2	Employing carbon particles, porous barrier element or molten material	32
48/198.7	Employing catalytic particles	128
48/198.5	Employing oxygen donor particles or carbidable metal particles	8
48/198.6	Specified direction of gas travel through particle mass, e.g., fluidization, flow reversal, etc.	26
48/198.8	With specified reactant velocity, angle of entry to reactor or mechanical energy production, e.g., use of internal combustion engine, etc.	30
48/198.3	With specified treatment of converted product, e.g., purification, particular cooling, testing, etc.	74
48/214R	Oil and steam injected	39
48/215	Air	130
48/214A	Catalytic processes	106
48/211	Oil	44
48/212	Air injected	78
48/213	Gas injected	39
48/203	Producer	145
48/197A	Sewage treatment	155
48/204	Water	19
48/205	Carbureting	1
48/206	Continuous	296
48/207	Down run	3
48/208	Up-and-down run	2
48/209	Wood	204
48/128	Purifiers	91
48/DIG.1	Recirculation of gases produced to lower part of fuel bed	9
48/119	Retorts	22
48/126	Attachments	7
48/120	Compounds	18
48/122	Inclined	2
48/124	Lids	4
48/123	Vertical	11
48/DIG.2	Slagging producer	130
48/DIG.7	Slurry	73
48/DIG.9	Solar gasification	10
48/DIG.6	Underground gasification of coal	45