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Patent (1133066) 1133066
Journal Article (6655) 6655
Newsletter (3884) 3884
Newspaper Article (603) 603
Conference Proceeding (234) 234
Book Chapter (197) 197
Magazine Article (108) 108
Dissertation (47) 47
Book / eBook (41) 41
Report (33) 33
Government Document (30) 30
Journal / eJournal (15) 15
Reference (12) 12
Trade Publication Article (6) 6
Paper (3) 3
Web Resource (2) 2
Microfilm (1) 1
Publication (1) 1
Transcript (1) 1
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mechanical engineering (1133398) 1133398
heating (1133291) 1133291
lighting (1133073) 1133073
weapons (1133071) 1133071
blasting (1133067) 1133067
combustion processes (801041) 801041
combustion apparatus (801035) 801035
combustion engines (346910) 346910
hot-gas or combustion-product engine plants (346910) 346910
performing operations (230363) 230363
transporting (230363) 230363
burners (219742) 219742
steam engines (194560) 194560
engine plants in general (194556) 194556
machines or engines in general (194556) 194556
general tagging of cross-sectional technologies spanning over several sections of the ipc (184171) 184171
general tagging of new technological developments (184171) 184171
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (184171) 184171
technologies or applications for mitigation or adaptation againstclimate change (154983) 154983
consuming waste products by combustion (132305) 132305
cremation furnaces (132305) 132305
physical or chemical processes or apparatus in general (131679) 131679
controlling combustion engines (126968) 126968
gas-flow silencers or exhaust apparatus for internalcombustion engines (121611) 121611
gas-flow silencers or exhaust apparatus for machines orengines in general (121611) 121611
supplying combustion engines in general, with combustiblemixtures or constituents thereof (112224) 112224
regulating or controlling combustion (111801) 111801
climate change mitigation technologies related totransportation (108050) 108050
flues (107809) 107809
removal or treatment of combustion products or combustionresidues (107800) 107800
separation (106612) 106612
air (101334) 101334
methodsor apparatus for combustion using fluid fuelor solid fuel suspended in (101279) 101279
combustion engines in general (92774) 92774
internal-combustion piston engines (92774) 92774
chemistry (92436) 92436
metallurgy (91316) 91316
ignition (86811) 86811
extinguishing-devices (86337) 86337
physics (82296) 82296
air supply (80906) 80906
draught-inducing (80906) 80906
supplying non-combustible liquid or gas (80906) 80906
ranges (75567) 75567
ventilating (75567) 75567
generating combustion products of high pressure or highvelocity, e.g. gas-turbine combustion chambers (60780) 60780
feeding fuel to combustion apparatus (60083) 60083
air intakes for jet-propulsion plants (58648) 58648
controlling fuel supply in air-breathing jet-propulsion plants (58648) 58648
gas-turbine plants (58648) 58648
testing (57299) 57299
measuring (57244) 57244
heat exchange in general (43285) 43285
engineering elements and units (40947) 40947
general measures for producing and maintaining effectivefunctioning of machines or installations (40947) 40947
thermal insulation in general (40947) 40947
electricity (39813) 39813
technical subjects covered by former uspc (39388) 39388
casings, linings, walls or doors specially adapted forcombustion chambers, e.g. firebridges (39232) 39232
details of combustion chambers, not otherwise providedfor (39232) 39232
devices for deflecting air, flames or combustion products incombustion chambers (39232) 39232
safety arrangements specially adapted for combustionapparatus (39232) 39232
fluid heaters, e.g. water or air heaters, having heatgenerating means, in general (35795) 35795
vehicles in general (34884) 34884
fuels (33561) 33561
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (33403) 33403
lubricants (32999) 32999
peat (32978) 32978
petroleum, gas or coke industries (32966) 32966
technical gases containing carbon monoxide (32966) 32966
chemical or physical processes, e.g. catalysis or colloidchemistry (30907) 30907
their relevant apparatus (30907) 30907
furnaces (29549) 29549
kilns (29462) 29462
ovens (29461) 29461
retorts (29456) 29456
heat-exchange apparatus, not provided for in another subclass,in which the heat-exchange media do not come into direct contact (29259) 29259
testing static or dynamic balance of machines orstructures (29118) 29118
testing structures or apparatus not otherwise provided for (29118) 29118
details of domestic stoves or ranges, of general application (26771) 26771
other domestic stoves or ranges (26771) 26771
methods or apparatus for combustion using only solid fuel (26013) 26013
cooling of internal-combustion engines (25935) 25935
cooling of machines or engines in general (25935) 25935
steam generation (25773) 25773
technical subjects covered by former us classification (25502) 25502
details of heat-exchange and heat-transfer apparatus, ofgeneral application (24752) 24752
crankcase ventilating (23668) 23668
lubricating internal combustion engines (23668) 23668
lubricating of machines or engines in general (23668) 23668
steam boilers (23404) 23404
methods of steam generation (23403) 23403
ignition, other than compression ignition, forinternal-combustion engines (23256) 23256
testing of ignition timing in compression-ignition engines (23256) 23256
non-positive displacement machines or engines, e.g. steamturbines (23174) 23174
indexing schemes relating to engines or pumps in varioussubclasses of classes f01-f04 (21000) 21000
human necessities (20890) 20890
details or accessories of furnaces, kilns, ovens, or retorts,in so far as they are of kinds occurring in more than one kindof furnace (20321) 20321
grates (19476) 19476
cleaning or raking grates (19471) 19471
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Online Resources - Online (19) 19
Engineering & Comp. Sci. - Stacks (11) 11
Aerospace - Stacks (5) 5
Gerstein Science - Stacks (2) 2
Media Commons - Microtexts (2) 2
Collection Dvlpm't (Acquisitions) - Closed Orders (1) 1
Gerstein Science - Searching (1) 1
Mathematical Sciences - Stacks (1) 1
Physics - Periodical Stacks (1) 1
UTL at Downsview - May be requested (1) 1
UofT at Mississauga - Stacks (1) 1
UofT at Scarborough - Stacks (1) 1
Victoria University E.J. Pratt - Stacks (1) 1
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English (946305) 946305
French (166099) 166099
German (164770) 164770
Chinese (133514) 133514
Korean (36189) 36189
Japanese (25959) 25959
Spanish (17577) 17577
Russian (17025) 17025
Swedish (7602) 7602
Italian (7552) 7552
Portuguese (7425) 7425
Finnish (5526) 5526
Danish (4375) 4375
Polish (3330) 3330
Dutch (3141) 3141
Norwegian (2664) 2664
Czech (1700) 1700
Ukrainian (1104) 1104
Turkish (744) 744
Romanian (636) 636
Hungarian (546) 546
Slovenian (283) 283
Slovak (241) 241
Greek (215) 215
Bulgarian (189) 189
Indonesian (144) 144
Lithuanian (133) 133
Croatian (127) 127
Serbian (113) 113
Estonian (107) 107
Arabic (84) 84
Latvian (74) 74
Hebrew (70) 70
Icelandic (33) 33
Moldavian (6) 6
Bosnian (2) 2
Chamorro (1) 1
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