Table 4. Revised codes for "Hydraulic and Earth Engineering" from 



the Manual of Classification of Patents. 



CLASS M05 HYDRAULIC AND EARTH ENGINEERING 



JANUARY 1979 



MARINE VESSEL PORTAGE, LAUNCHING, OR 



REMOVING 

 .Hall mounted carrier 

 .Lifting 

 .Dry dock 

 ..Fabrication 

 . .Gate 

 ..Vessel support (e.g., bilge or keel 



block) 

 PRESSURIZED CAISSON 

 .Having lifting cable 

 .Movable relative co mobile support 

 MEANS TO EXPOSE A NORMALLY WETTED 



SURFACE, E. G. , COFFERDAM, ETC. 

 .Contoured to wetted surface, e.g., side 



hung ship caisson 

 .Having transport, placement, or 



dislodgement means 

 .Connectable sections 

 BANK, SHORE, OR BED PROTECTION 

 .Revetnrent 

 ..Revetment laying 

 ..Continuous concrete or concrete filled 



bag 

 . .Mattress 



...Hinged concrete sections 

 .Wave or flow dissipation 

 ..Fluid application 



..Floatable dissipator submerged at site 

 ..Artificial seaweed 



..Bed supported subsurface dissipator 

 ..Floating 

 . . .Openwork 

 ..Flexibly suspended from or pivoted to 



support 

 . .Polypod 



..Openwork or concave face 

 ...Associated with solid wall 

 ...With fabric 



. . -Interfitted or interleaved members 

 . . .Jetty 



. . .Spaced members 

 DRAINAGE OR IRRIGATION 

 .Control means responsive to sensed 



condition 

 .Including subsurface moisture barrier 

 .Having regulation of flow through 



cha 



or intake 

 standpipe outlet or 



pipe, fit 



ntake 



..At outl 

 . . .Riser 

 .End cap 

 .Porous 

 tllewa 

 . .Uniform discharge 

 . .Porous 



..Earthen bottom 

 . .Flow through Joint 

 ..Open seam or shielded outlet 

 . .Corrugated 



.Porous waterway, e.g., sand drain, etc. 

 .Branched flow 

 FLUID CONTROL OR TREATMENT 

 .Fluid storage in earthen cavity 

 ..With Indicator or alarm means . 

 . .Cavity construction 

 ...Including cooling or heating of 



material surrounding cavity 

 ...Earth treatment 



Dissolving earth 



..Supply or recovery of stored fluid by 



separate fluid 

 .Floatable matter control 

 ..Ice 



..Barrier formed by fluid 

 . .Floating barrier 

 . . .Submergible 

 ...With means to seal space between 



barrier and fixed structure 



102 

 103 



101 

 105 

 106 



107 



108 

 109 

 110 

 111 

 112 

 113 

 111 

 115 

 116 

 117 

 118 

 119 

 120 

 121 

 122 

 123 

 121 

 125 

 126 

 127 

 128 

 129 

 130 



131 

 132 

 133 



135 

 136 

 137 



...With barrier storage or deploynen 

 feature 

 . .Quick release float 

 ..Inflatable or deflatable 

 . . .Self-inflating 

 .Having Joint detail 

 ..Having hinged Joint between rtil 



sections 

 .With reinforcing feature 

 .Erosive scouring 



ettllng of suspended matter or rea 

 of settled matter 

 .Extracting power from moving fluid 



.Wave or tide 

 ...With flow restrlctor or ramp 



.Associated with dam 

 .Wave generation or enhancement 

 Flow control 

 .Fishway 

 .Elevator 



.Clo 



/Igable canal 

 aving lock 

 ..Movable lifting member 

 .Water gate or adjustable weir 



Iter flc 



.Unifor 



cha 



able 



atea 



exlble 

 .Condition responsive 

 .To weight of liquid 



main body 

 .To pressure on pivoted wate*- ££l 

 ..With latch for closed posittcr. 

 .Float 



laving Sep 



.Roller or flexible 



.Swinging 



..About horizontal a 

 .Overflow 

 . .Collapsible 



.Sliding 



. .Vertical 



. . .Gate unseating 



. . .With lift mechani 

 .Artificial water bar 



flc 



nber 



vee, etc.) 

 ing spillway 

 ipervlou 



.Hollow or buttressed 

 ..With ballast compartment or cavity 

 ..Vertical wall buttress 

 .Tension stayed 

 .Connectable sections 

 .Flexible 



.In situ construction 

 ...Earthen 

 .Open channel 

 ..Flume 



. . .Elbow or tee 

 . . .Joint 



.Including U-clamp 

 . .With crossbar 

 .Culvert 

 .Terminal or head 

 .Serially connected segments 

 .Intake 

 WASTE DISPOSAL IN SOIL 

 .Landfill 

 TEMPERATURE MODIFICATION OR CONTROL OF 



EARTHEN FORMATION 

 .Heating 



UNDERGROUND PASSAGEWAY, E.G., TUNNEL 

 .Vertical 

 .Sectional 

 . .Seal or Joint 

 .Subaqueous 

 . .Below bed 



45 



