Class 048: GAS: HEATING AND ILLUMINATING ( Manual of U.S. Patent Classification )

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Manual of U.S. Patent Classification
as of June 30, 2000


Class
048
GAS: HEATING AND ILLUMINATING


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Subclass Title
ClassTitle ===> GAS: HEATING AND ILLUMINATING
ACETYLENE
1[Patents] . Generation and liquefaction
2[Patents] . Generator and holder
3R[Patents] . Generator and mixer
3A[Patents] . . Special features
. Generators
4[Patents] . . Water feed
5[Patents] . . . Holder operated
6[Patents] . . . . Series
7[Patents] . . . . . Automatic switch
8[Patents] . . . . Cell series
9[Patents] . . . . Gasometer and high-pressure holder
10[Patents] . . . . Interior valve
11[Patents] . . . . Rotary cylinder
12[Patents] . . . . Underfeed
13[Patents] . . . . Valveless
14[Patents] . . . . . Displacer
15[Patents] . . . . . Flexible tube
16[Patents] . . . . . Generator supported
17[Patents] . . . . . Siphon
18[Patents] . . . . . Tilting
19[Patents] . . . Ebb and flow
20[Patents] . . . . Series
21[Patents] . . . . Cell series
22[Patents] . . . . Concentric
23[Patents] . . . Series
24[Patents] . . . Cell series
25[Patents] . . . Capillary
26[Patents] . . . . Adjustable
27[Patents] . . . Percolating
28[Patents] . . . . Pressure valves
29[Patents] . . . Expansible carbide container
30[Patents] . . . Expansible water holder
31[Patents] . . . Inexpansible gas holder and water feed
32R[Patents] . . . Oscillating
32A[Patents] . . . . Floating generator or carbide container
32B[Patents] . . . . With inversion to contact carbide
33[Patents] . . . Rotary cylinder
34[Patents] . . . Rotary grate
35[Patents] . . . Underfeed
36[Patents] . . . Interlocking devices
37[Patents] . . . Pressure valves
38[Patents] . . Carbide feed
39[Patents] . . . Apron or belt
40[Patents] . . . Cock
41[Patents] . . . Dip
42[Patents] . . . . Cell series
43[Patents] . . . Flap valve
44[Patents] . . . Hand
45[Patents] . . . . Dip
46[Patents] . . . Measured charges
47[Patents] . . . . Cartridges
48[Patents] . . . . Rotary carrier
49[Patents] . . . . . Vertical
50[Patents] . . . . Stationary
51[Patents] . . . Piston
52[Patents] . . . Plate valve
53[Patents] . . . Pop valve
53.1[Patents] . . . . Bell operated
53.2[Patents] . . . . . Bell and holder combined
53.3[Patents] . . . . Diaphragm operated
53.4[Patents] . . . . Float operated
54[Patents] . . . Screw
55[Patents] . . . Slide valve
58[Patents] . . Valves, gas and water feed
56[Patents] . . Automatic safety escape
57[Patents] . . Sludge remover
59[Patents] . Carbide cartridges
60[Patents] . . Conglomerate
61[Patents]GENERATORS
. Hydrogen
116[Patents] . . Carburetor
117[Patents] . . . Air
118[Patents] . . . Floating oil
62R[Patents] . Cupola
71[Patents] . . Coal, oil and water
72[Patents] . . Coal and oil
73[Patents] . . Coal and water
76[Patents] . . Producers
77[Patents] . . Coal
78[Patents] . . Water
79[Patents] . . . Carburetor
80[Patents] . . . . Fixer
81[Patents] . . . . Retort
84[Patents] . . . Oil gas
82[Patents] . . . Up-and-down run
83[Patents] . . . . Interlocking valves
85[Patents] . . Carbon monoxide
75[Patents] . . Oil and steam injected
63[Patents] . . Air and steam injected
64[Patents] . . . Superheated
65[Patents] . . Electric
66[Patents] . . Rotary bottom
67[Patents] . . Water jacket
68[Patents] . . . Rotary bottom
69[Patents] . . Water-seal pit
74[Patents] . . Refractory filling
. . Fuel agitating
85.1[Patents] . . . Movable wall
85.2[Patents] . . . Stirrer
86R[Patents] . . Chargers
86A[Patents] . . . Gas making underfeed
87[Patents] . . Accessories
62A[Patents] . . Partial combustion carburetor
89[Patents] . Retort
98[Patents] . . Coal, oil and water
99[Patents] . . Coal and water
100[Patents] . . Coal and oil
101[Patents] . . Coal
102R[Patents] . . Oil
103[Patents] . . . Electric heater
104[Patents] . . . Jet mixers
105[Patents] . . . Steam injected
106[Patents] . . . Automatic feed
107[Patents] . . . Air injected
102A[Patents] . . . Utilizing heat from exhaust gases
108[Patents] . . Water
109[Patents] . . . Carburetor
110[Patents] . . . Oil gas
111[Patents] . . Wood
112[Patents] . . . Oil
92[Patents] . . Metal bath
93[Patents] . . Oil and gas injected
94[Patents] . . Oil and steam injected
95[Patents] . . . Air
96[Patents] . . . Carburetor
90[Patents] . . Domestic plants
113[Patents] . . Furnaces
118.5[Patents] . Portable
119[Patents]RETORTS
120[Patents] . Compounds
122[Patents] . Inclined
123[Patents] . Vertical
124[Patents] . Lids
126[Patents] . Attachments
127.1[Patents]CONVERSION OF HYDROCARBON GAS AND BLENDING OF PRODUCT WITH FURTHER HYDROCARBON GAS, PROCESS
127.3[Patents]METHANE (NATURAL GAS) -CONTAINING PRODUCT, OR TREATMENT OR RECOVERY PROCESS
127.5[Patents] . Process including chemical reaction
127.7[Patents] . . Catalytic
127.9[Patents]APPARATUS FOR CONVERTING OR TREATING HYDROCARBON GAS
144[Patents]CARBURETORS
160[Patents] . Gravity
128[Patents]PURIFIERS
170[Patents]CENTER AND BY-PASS VALVES
173[Patents]EXHAUSTERS
174[Patents]HOLDERS
175[Patents] . High-pressure safety escape
176[Patents] . Bell and tank
177[Patents] . . Sectional bell
178[Patents] . Collapsible
179[Patents] . Tank
180.1[Patents]MIXERS
181[Patents] . Bell and tank
182[Patents] . . Anterior
183[Patents] . . Posterior
184[Patents] . Diaphragm
185[Patents] . Gravity
186[Patents] . Pump
187[Patents] . Rotary drum
188[Patents] . . Anterior
189[Patents] . . Posterior
189.1[Patents] . Three or more different fluids entering apparatus
189.2[Patents] . With heating means
189.3[Patents] . Auxilary air inlet
189.4[Patents] . Mixer in flow path of existing mixture
189.5[Patents] . . Rotating mixer
189.6[Patents] . . Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.
190[Patents]DISTRIBUTION
191[Patents] . Regulating pressure
192[Patents] . Safety devices
193[Patents] . Leakage
194[Patents] . . Preventing
195[Patents] . . Odorizers
197R[Patents]PROCESSES
198.1[Patents] . Manufacture from methane (natural gas)
198.2[Patents] . . Employing carbon particles, porous barrier element or molten material
198.3[Patents] . . With specified treatment of converted product, e.g., purification, particular cooling, testing, etc.
198.5[Patents] . . Employing oxygen donor particles or carbidable metal particles
198.6[Patents] . . Specified direction of gas travel through particle mass, e.g., fluidization, flow reversal, etc.
198.7[Patents] . . Employing catalytic particles
198.8[Patents] . . With specified reactant velocity, angle of entry to reactor or mechanical energy production, e.g., use of internal combustion engine, etc.
. Hydrogen
199R[Patents] . . Carbureting
199FM[Patents] . . . Fuel mixtures
200[Patents] . Coal, oil and water
201[Patents] . Coal and oil
202[Patents] . Coal and water
203[Patents] . Producer
204[Patents] . Water
205[Patents] . . Carbureting
206[Patents] . . Continuous
207[Patents] . . Down run
208[Patents] . . Up-and-down run
209[Patents] . Wood
210[Patents] . Coal
211[Patents] . Oil
212[Patents] . . Air injected
213[Patents] . . Gas injected
214R[Patents] . Oil and steam injected
215[Patents] . . Air
214A[Patents] . . Catalytic processes
216[Patents] . Acetylene
217[Patents] . . Slow
219[Patents] . Carbureting
197FM[Patents] . Fuel mixtures
197A[Patents] . Sewage treatment
******************************
DIGESTS
******************************
DIG 1[Patents]Recirculation of gases produced to lower part of fuel bed
DIG 2[Patents]Slagging producer
DIG 3[Patents]High pressure
DIG 4[Patents]Powdered fuel injection
DIG 5[Patents]Diffusion membrane for gas reaction or separation
DIG 6[Patents]Underground gasification of coal
DIG 7[Patents]Slurry
DIG 8[Patents]Internal combustion engine for gas making
DIG 9[Patents]Solar gasification
DIG 10[Patents]Computer resisted control


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Last Modified: 6 October 2000