| Class Number |
Class Name |
No. of Patents |
| 405/15 |
Bank, shore, or bed protection |
221 |
| 405/16 |
Revetment |
191 |
| 405/18 |
Continuous concrete or concrete filled bag |
32 |
| 405/19 |
Mattress |
111 |
| 405/20 |
Hinged concrete sections |
57 |
| 405/17 |
Revetment laying |
77 |
| 405/21 |
Wave or flow dissipation |
242 |
| 405/24 |
Artificial seaweed |
46 |
| 405/25 |
Bed supported subsurface dissipator |
110 |
| 405/28 |
Flexibly suspended from or pivoted to support |
38 |
| 405/23 |
Floatable dissipator submerged at site |
28 |
| 405/26 |
Floating |
73 |
| 405/27 |
Openwork |
29 |
| 405/22 |
Fluid application |
25 |
| 405/30 |
Openwork or concave face |
98 |
| 405/31 |
Associated with solid wall |
60 |
| 405/33 |
Interfitted or interleaved members |
53 |
| 405/34 |
Jetty |
25 |
| 405/35 |
Spaced members |
47 |
| 405/32 |
With fabric |
64 |
| 405/29 |
Polypod |
35 |
| 405/185 |
Diving |
107 |
| 405/190 |
Remote control |
43 |
| 405/191 |
From surface |
96 |
| 405/186 |
Suit or accessory therefor |
251 |
| 405/187 |
Rigid element |
8 |
| 405/188 |
Underwater docking or mooring |
89 |
| 405/189 |
With communication between inhabitable enclosures |
15 |
| 405/192 |
With air lock |
22 |
| 405/194 |
With continuous surface access |
14 |
| 405/193 |
With pressure equalization |
24 |
| 405/36 |
Drainage or irrigation |
566 |
| 405/51 |
Branched flow |
68 |
| 405/37 |
Control means responsive to sensed condition |
110 |
| 405/42 |
End cap |
19 |
| 405/39 |
Having regulation of flow through channel |
68 |
| 405/40 |
At outlet or intake |
50 |
| 405/41 |
Riser or standpipe outlet or intake |
54 |
| 405/38 |
Including subsurface moisture barrier |
88 |
| 405/43 |
Porous or apertured pipe, flume, or tileway |
402 |
| 405/49 |
Corrugated |
97 |
| 405/46 |
Earthen bottom |
77 |
| 405/47 |
Flow through joint |
12 |
| 405/48 |
Open seam or shielded outlet |
47 |
| 405/45 |
Porous |
243 |
| 405/44 |
Uniform discharge |
33 |
| 405/50 |
Porous waterway, e.g., sand drain, etc. |
178 |
| 405/258.1 |
Earth treatment or control |
108 |
| 405/263 |
Chemical |
353 |
| 405/266 |
Cementitious (e.g., grouting) |
248 |
| 405/267 |
Filling substerranean cavity (e.g., underground wall) |
320 |
| 405/269 |
Injector |
204 |
| 405/268 |
Lining |
55 |
| 405/264 |
Organic |
277 |
| 405/265 |
Bituminous |
19 |
| 405/271 |
Compaction |
80 |
| 405/302.4 |
Ground stabilization or reinforcement |
110 |
| 405/302.6 |
Erosion protection |
145 |
| 405/302.7 |
Net, fabric, or sheet type |
173 |
| 405/302.5 |
Vibration dampener |
12 |
| 405/270 |
Impermeabilization |
230 |
| 405/259.1 |
Rock or earth bolt or anchor |
386 |
| 405/259.4 |
Bolt having wedge expander |
63 |
| 405/259.3 |
Expandable tube |
140 |
| 405/259.2 |
Frangible bolt |
18 |
| 405/262 |
With retaining wall |
335 |
| 405/259.5 |
With settable material feature |
303 |
| 405/259.6 |
Breaking canister or packet |
281 |
| 405/272 |
Shoring, bracing, or cave-in prevention |
138 |
| 405/287.1 |
Cast in situ |
13 |
| 405/273 |
Cribbing |
54 |
| 405/284 |
Retaining wall |
583 |
| 405/286 |
Concrete |
370 |
| 405/287 |
Cast in situ |
58 |
| 405/285 |
Pile and panel |
72 |
| 405/288 |
Roof support |
252 |
| 405/302.2 |
Cable or strap support |
72 |
| 405/289 |
Inflatable |
32 |
| 405/290 |
Jack |
76 |
| 405/291 |
Mobile |
128 |
| 405/295 |
Cantilevered |
35 |
| 405/302 |
Control system |
99 |
| 405/292 |
Position restoring |
13 |
| 405/299 |
Self-advanceable |
73 |
| 405/300 |
Paired |
12 |
| 405/301 |
Nested |
4 |
| 405/298 |
Under load advanceable |
14 |
| 405/293 |
With canopy extension |
37 |
| 405/294 |
Telescoping |
25 |
| 405/297 |
With contour following feature |
27 |
| 405/296 |
With rubble shield |
93 |
| 405/302.3 |
Mesh support |
22 |
| 405/302.1 |
Subterranean roof plate |
70 |
| 405/274 |
Sheet piles |
78 |
| 405/275 |
Concrete |
13 |
| 405/276 |
Metal |
23 |
| 405/281 |
Bulb and socket interlock |
39 |
| 405/277 |
C or i sections |
14 |
| 405/280 |
Cellular |
6 |
| 405/278 |
Head and claw interlock |
42 |
| 405/279 |
With separate fastening, reinforcing or sealing means |
49 |
| 405/282 |
Trench shoring |
130 |
| 405/283 |
Shield type |
74 |
| 405/52 |
Fluid control, treatment, or containment |
503 |
| 405/73 |
Erosive scouring |
23 |
| 405/75 |
Extracting power from moving fluid |
43 |
| 405/78 |
Associated with dam |
49 |
| 405/76 |
Wave or tide |
56 |
| 405/77 |
With flow restrictor or ramp |
6 |
| 405/60 |
Floatable matter containment |
98 |
| 405/62 |
Barrier formed by fluid |
12 |
| 405/63 |
Floating barrier |
196 |
| 405/70 |
Having joint detail |
72 |
| 405/71 |
Having hinged joint between rigid sections |
27 |
| 405/64 |
Submergible |
26 |
| 405/66 |
With barrier storage or deployment feature |
97 |
| 405/68 |
Inflatable or deflatable |
84 |
| 405/69 |
Self-inflating |
12 |
| 405/67 |
Quick release float |
9 |
| 405/65 |
With means to seal space between barrier and fixed structure |
19 |
| 405/72 |
With reinforcing feature |
73 |
| 405/61 |
Ice |
87 |
| 405/60.5 |
Logging device for guiding logs |
4 |
| 405/80 |
Flow control |
100 |
| 405/107 |
Artificial water barrier (e.g., dam, levee, etc.) |
119 |
| 405/114 |
Connectable sections |
94 |
| 405/115 |
Flexible |
114 |
| 405/109 |
Having impervious core |
22 |
| 405/108 |
Having spillway |
24 |
| 405/110 |
Hollow or buttressed |
11 |
| 405/112 |
Vertical wall buttress |
7 |
| 405/111 |
With ballast compartment or cavity |
27 |
| 405/116 |
In situ construction |
51 |
| 405/117 |
Earthen |
19 |
| 405/113 |
Tension stayed |
4 |
| 405/124 |
Culvert |
79 |
| 405/126 |
Serially connected segments |
43 |
| 405/125 |
Terminal or head |
38 |
| 405/81 |
Fishway |
48 |
| 405/83 |
Closed channel |
22 |
| 405/82 |
Elevator |
13 |
| 405/127 |
Intake |
76 |
| 405/84 |
Navigable canal |
12 |
| 405/85 |
Having lock |
11 |
| 405/86 |
Movable lifting member |
5 |
| 405/118 |
Open channel |
111 |
| 405/119 |
Flume |
115 |
| 405/120 |
Elbow or tee |
14 |
| 405/121 |
Joint |
50 |
| 405/122 |
Including u-clamp |
5 |
| 405/123 |
With crossbar |
2 |
| 405/87 |
Water gate or adjustable weir |
83 |
| 405/88 |
Center flow |
5 |
| 405/92 |
Condition responsive |
51 |
| 405/96 |
Float |
36 |
| 405/97 |
Having separate float chamber |
4 |
| 405/94 |
To pressure on pivoted water gate |
30 |
| 405/95 |
With latch for closed position |
5 |
| 405/93 |
To weight of liquid separated from a main body |
5 |
| 405/90 |
Removable |
28 |
| 405/91 |
Flexible |
73 |
| 405/98 |
Roller or flexible |
2 |
| 405/103 |
Sliding |
14 |
| 405/104 |
Vertical |
44 |
| 405/105 |
Gate unseating |
6 |
| 405/106 |
With lift mechanism or latch |
25 |
| 405/99 |
Swinging |
19 |
| 405/100 |
About horizontal axis |
48 |
| 405/101 |
Overflow |
26 |
| 405/102 |
Collapsible |
15 |
| 405/89 |
Uniform discharge |
2 |
| 405/53 |
Fluid storage in earthen cavity |
245 |
| 405/55 |
Cavity construction |
95 |
| 405/57 |
Earth treatment |
22 |
| 405/58 |
Dissolving earth |
18 |
| 405/56 |
Including cooling or heating of material surrounding cavity |
18 |
| 405/59 |
Supply or recovery of stored fluid by separate fluid |
52 |
| 405/54 |
With indicator or alarm means |
50 |
| 405/74 |
Settling of suspended matter in a specific location (e.g., at a scoured pier) |
71 |
| 405/79 |
Wave generation or enhancement |
87 |
| 405/229 |
Foundation |
242 |
| 405/231 |
Columnar structure (e.g., pier, pile) |
114 |
| 405/250 |
Comprising series of connected longitudinal sections having diverse compositions |
18 |
| 405/256 |
Concrete |
69 |
| 405/257 |
With form or casing |
51 |
| 405/252.1 |
Pile having screw threads |
25 |
| 405/232 |
Process or apparatus for installing |
421 |
| 405/249 |
Caisson or hollow shaft |
87 |
| 405/233 |
Casting in situ hardenable fluent material |
172 |
| 405/240 |
Dispensing fluent material while withdrawing dispenser |
86 |
| 405/241 |
Dispensing auger |
55 |
| 405/242 |
Driven dispenser with separable tip |
10 |
| 405/237 |
Forming subsurface enlargement |
56 |
| 405/238 |
Preformed enlargement cavity |
13 |
| 405/239 |
Providing embedded metallic reinforcement |
83 |
| 405/236 |
Subsurface dispensing of material for flow toward surface |
40 |
| 405/234 |
With heating, cooling, or explosion |
19 |
| 405/235 |
With subsequent moving |
5 |
| 405/243 |
Withdrawing form structure |
35 |
| 405/245 |
Driving removable wall supporting core |
13 |
| 405/246 |
Diametrically retractable core |
10 |
| 405/247 |
Fluid pressure actuated |
6 |
| 405/244 |
With anchoring of structure |
164 |
| 405/248 |
With subsurfacr fluid discharge |
77 |
| 405/253 |
With driving or cutting tip |
69 |
| 405/254 |
Longitudinally ribbed |
11 |
| 405/255 |
With end cap |
40 |
| 405/251 |
With joint or connection between sections of similar material |
84 |
| 405/252 |
Between concrete sections |
53 |
| 405/230 |
Underpinning |
127 |
| 405/195.1 |
Marine structure or fabrication thereof |
716 |
| 405/222 |
Cast in situ |
46 |
| 405/223 |
Installing means |
22 |
| 405/218 |
Dock |
94 |
| 405/219 |
Floating |
121 |
| 405/220 |
Hinged |
34 |
| 405/221 |
Vertically adjustable |
58 |
| 405/203 |
Floatable to site and supported by marine floor |
266 |
| 405/209 |
Separable transport means |
121 |
| 405/204 |
With assembly of sectional supporting structure at site |
221 |
| 405/205 |
With ballasting means to sink or position structure at site |
178 |
| 405/207 |
Compartment in base |
70 |
| 405/208 |
And leg depending from base |
27 |
| 405/206 |
Detachable from structure |
42 |
| 405/217 |
In or on frozen media |
141 |
| 405/210 |
Storage container |
143 |
| 405/211 |
Structure protection |
315 |
| 405/211.1 |
Corrosion prevention |
31 |
| 405/212 |
Fender |
122 |
| 405/214 |
Having coil spring |
3 |
| 405/215 |
Resilient block |
84 |
| 405/213 |
Roller type |
27 |
| 405/216 |
Sleeve or coating |
167 |
| 405/223.1 |
Tension leg platform |
181 |
| 405/224 |
With anchoring of structure to marine floor |
537 |
| 405/225 |
By grouting preformed structure |
74 |
| 405/227 |
By pile extending through sleeve in structure |
237 |
| 405/224.2 |
By riser pipe |
229 |
| 405/224.3 |
Having flexible segment |
51 |
| 405/224.4 |
Having tensioner |
92 |
| 405/226 |
Including floor modifying means |
51 |
| 405/228 |
Pile driving |
105 |
| 405/224.1 |
Pressure holding or loosening means |
35 |
| 405/201 |
With horizontally movable work deck |
50 |
| 405/202 |
With pivotal connection between work deck and base |
132 |
| 405/196 |
With work deck vertically adjustable relative to floor |
165 |
| 405/200 |
By buoyancy control |
44 |
| 405/199 |
Frictional gripper |
32 |
| 405/198 |
Longitudinally extending projections or recesses |
77 |
| 405/197 |
Sectional leg |
16 |
| 405/1 |
Marine vessel portage, launching, or removing |
72 |
| 405/4 |
Dry dock |
39 |
| 405/5 |
Fabrication |
3 |
| 405/6 |
Gate |
5 |
| 405/7 |
Vessel support (e.g., bilge or keel block) |
44 |
| 405/3 |
Lifting |
213 |
| 405/2 |
Rail mounted carrier |
24 |
| 405/11 |
Means to expose a normally wetted surface,e.g., cofferdam, etc. |
15 |
| 405/14 |
Connectable sections |
13 |
| 405/12 |
Contoured to wetted surface, e.g., side hung ship caisson |
12 |
| 405/13 |
Having transport, placement, or dislodgement means |
6 |
| 405/303 |
Miscellaneous |
359 |
| 405/8 |
Pressurized caisson |
17 |
| 405/9 |
Having lifting cable |
0 |
| 405/10 |
Movable relative to mobile support |
3 |
| 405/128.1 |
Soil remediation |
50 |
| 405/128.15 |
In situ contaminant removal or stabilization |
96 |
| 405/128.2 |
Vacuuming contaminant |
53 |
| 405/128.25 |
With fluid application |
70 |
| 405/128.3 |
At spaced locations |
34 |
| 405/128.35 |
With heat |
18 |
| 405/128.4 |
With heat |
36 |
| 405/128.45 |
With treatment |
142 |
| 405/128.5 |
Chemical |
193 |
| 405/128.55 |
With heat |
30 |
| 405/128.6 |
Temperature |
65 |
| 405/128.65 |
Vitrify |
30 |
| 405/128.7 |
With treatment |
64 |
| 405/128.75 |
Chemical |
178 |
| 405/128.8 |
With heat |
34 |
| 405/128.85 |
Temperature |
48 |
| 405/128.9 |
Vitrify |
16 |
| 405/154.1 |
Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating |
238 |
| 405/184 |
Advancing subterranean length of pipe or cable |
334 |
| 405/174 |
By means advancing along terrain and guiding pipe or cable into subterranean position |
122 |
| 405/175 |
Condition responsive |
22 |
| 405/180 |
Including trench forming plow with pipe or cable guide |
71 |
| 405/183 |
Guide integral with or rigidly fixed to plow |
30 |
| 405/181 |
With depth adjustment |
33 |
| 405/182 |
With plow vibrating or oscillating means |
46 |
| 405/178 |
Simultaneous laying of plural parallel pipes or cables |
20 |
| 405/176 |
Tape or strip |
25 |
| 405/179 |
With backfill or bedding material conveying or dispensing means |
110 |
| 405/177 |
With positive feed or means to vary tension in pipe or cable |
20 |
| 405/155 |
Cast in situ |
61 |
| 405/183.5 |
Moving cable within pipe |
63 |
| 405/184.5 |
Plural pipe sections |
83 |
| 405/184.1 |
Repair, replacement, or improvement |
144 |
| 405/184.2 |
Installing liner |
154 |
| 405/184.3 |
Pipe splitting, breaking, or expanding |
94 |
| 405/158 |
Submerging, raising, or manipulating line of pipe or cable in or from marine environment |
293 |
| 405/171 |
By control of buoyancy |
134 |
| 405/159 |
Entrenched or buried |
54 |
| 405/164 |
By towing submerged sled with attached plow and pipe or cable guide |
37 |
| 405/165 |
With means to forcibly feed or to control tension in pipe or cable |
17 |
| 405/160 |
Condition responsive |
21 |
| 405/161 |
Entrenching or burying apparatus guided by pre-positioned pipe or cable |
35 |
| 405/162 |
With apparatus buoyancy control |
22 |
| 405/163 |
With bottom fluidizing means |
54 |
| 405/166 |
Facilitated by extension from line-laying vessel |
142 |
| 405/167 |
Articulated segments |
17 |
| 405/172 |
With anchoring of line |
107 |
| 405/169 |
With assembling of line structure |
312 |
| 405/170 |
By joining successive sections of line |
202 |
| 405/168.1 |
With causing or controlling the deformation of a line |
85 |
| 405/168.2 |
Buckle arrestor for pipe |
20 |
| 405/168.3 |
Pipe laying from a reel |
69 |
| 405/168.4 |
Pipe tensioner |
42 |
| 405/173 |
With raising of line from marine floor |
48 |
| 405/184.4 |
Supporting, anchoring, or positioning of pipe or cable |
128 |
| 405/156 |
With forming or cutting of pipe or cable |
131 |
| 405/157 |
With protection or indication of pipe or trench |
206 |
| 405/129.1 |
Subterranean waste disposal, containment, or treatment |
51 |
| 405/129.15 |
Compacting |
30 |
| 405/129.35 |
Earthen formation |
112 |
| 405/129.4 |
Hydraulic fracture |
22 |
| 405/129.95 |
Landfill |
77 |
| 405/129.45 |
Waste barrier, containment, or monitoring |
103 |
| 405/129.55 |
Complete containment structure |
96 |
| 405/129.57 |
With drainage or collection |
56 |
| 405/129.9 |
Daily cover |
66 |
| 405/129.85 |
Drainage or collection |
86 |
| 405/129.6 |
Floor, pit, or wall |
71 |
| 405/129.75 |
Flexible sheet or liner |
52 |
| 405/129.8 |
Rigid sectional members |
45 |
| 405/129.7 |
With drainage or collection |
92 |
| 405/129.65 |
With treatment |
48 |
| 405/129.5 |
Monitoring, detecting, or sensing |
73 |
| 405/129.2 |
With treatment of waste |
93 |
| 405/129.25 |
Chemical |
140 |
| 405/129.27 |
With heat |
31 |
| 405/129.3 |
Solidification |
137 |
| 405/129.28 |
Temperature |
43 |
| 405/130 |
Temperature modification or control of earthen formation |
80 |
| 405/131 |
Heating |
134 |
| 405/132 |
Underground passageway, e.g., tunnel |
115 |
| 405/138 |
Boring |
108 |
| 405/140 |
By axially overlapped members |
7 |
| 405/141 |
Shield |
104 |
| 405/143 |
Direction control |
36 |
| 405/145 |
Discrete independently advanceable earth supporting segments |
42 |
| 405/144 |
Door or bulkhead |
32 |
| 405/146 |
Lining installation |
181 |
| 405/147 |
Seal |
32 |
| 405/142 |
With transverse force application feature |
34 |
| 405/139 |
With auxiliary tunnel |
10 |
| 405/148 |
Work platform |
9 |
| 405/149 |
Cut and cover |
31 |
| 405/150.1 |
Lining |
319 |
| 405/150.2 |
By spraying of settable material (e.g., concrete) |
43 |
| 405/151 |
Panel |
78 |
| 405/152 |
With sealing feature |
51 |
| 405/153 |
With separate fastening means between adjacent panels |
57 |
| 405/134 |
Sectional |
25 |
| 405/135 |
Seal or joint |
44 |
| 405/136 |
Subaqueous |
27 |
| 405/137 |
Below bed |
7 |
| 405/133 |
Vertical |
61 |
