| Class Number |
Class Name |
Patents |
| 415/1 |
Method of operation |
514 |
| 415/10 |
With control means responsive to motion developed fluid eddy, electrical, or magnetic effect |
32 |
| 415/104 |
With shaft connected fluid force subjected thrust balancing surface |
131 |
| 415/108 |
Casing and spaced housing with space vented to working fluid |
71 |
| 415/109 |
With shaft connected fluid abutment member in sealing fluid filled chamber |
27 |
| 415/11 |
With pump recirculation passage control responsive to working fluid condition or characteristic |
51 |
| 415/110 |
With lubricating, sealing, packing or bearing means having internal working fluid connection (e.g., fluid or fluid biased seal, etc.) |
121 |
| 415/114 |
With changing state confined heat exchange mass |
90 |
| 415/115 |
With passage in blade, vane, shaft or rotary distributor communicating with working fluid |
1,183 |
| 415/116 |
With diversely oriented inlet or additional inlet for diverse fluid (e.g., heating, cooling or mixed working fluid, etc.) |
574 |
| 415/118 |
With inspection, signaling, indicating or measuring means |
240 |
| 415/119 |
With sound or vibratory wave absorbing or preventing means or arrangement |
721 |
| 415/12 |
With bimetallic blade, vane, or adjustment means therefor |
30 |
| 415/120 |
Centripetal pump |
27 |
| 415/121.1 |
With cutter or comminutor for debris in working fluid |
104 |
| 415/121.2 |
With separating means or guard for solid matter in working fluid (e.g., debris, etc.) |
290 |
| 415/121.3 |
Combined |
52 |
| 415/122.1 |
Including shaft transmission train, brake, clutch, or attendant actuated drive means |
98 |
| 415/125 |
Including means to cause cyclical movement of a part (e.g., blade, valve, etc.) |
35 |
| 415/126 |
Including casing part selectively movable relative to fixed support |
112 |
| 415/129 |
Runner or blade selectively adjustable relative to casing |
42 |
| 415/13 |
With control means responsive to non-cyclic condition sensing, centrifugal actuation or torque |
41 |
| 415/134 |
Including thermal expansion joint |
126 |
| 415/140 |
Resilient or movably mounted blade portion or axially movable runner or shaft |
29 |
| 415/142 |
Shaft bearing combined with or retained by arm or vane in surrounding working fluid space |
99 |
| 415/143 |
Plural runners having different type flow paths |
220 |
| 415/144 |
Working fluid bypass |
133 |
| 415/146 |
Including working fluid force responsive vane or flow control |
73 |
| 415/148 |
Selectively adjustable vane or working fluid control means |
143 |
| 415/168.1 |
Including means for handling working fluid leakage |
25 |
| 415/169.1 |
Including means for handling portion separated from working fluid |
189 |
| 415/170.1 |
Bearing, seal, or liner between runner portion and static part |
278 |
| 415/175 |
Including additional means causing or controlling fluid flow for heat exchanging, lubricating or sealing |
321 |
| 415/177 |
Including heat insulation or exchange means (e.g., fins, lagging, etc.) |
219 |
| 415/181 |
Means, disposition or arrangement for causing supersonic working fluid velocity |
80 |
| 415/182.1 |
Working fluid passage or distributing means associated with runner (e.g., casing, etc.) |
184 |
| 415/2.1 |
With means for controlling casing or flow guiding means in response to natural fluid current force or direction |
80 |
| 415/229 |
Bearing, seal, or liner between shaft or shaft sleeve and static part |
239 |
| 415/232 |
Miscellaneous |
34 |
| 415/5 |
Endless flexible runner (e.g., chain, etc.) |
61 |
| 415/51 |
With independently operated timer or programmer actuator for working fluid control |
11 |
| 415/52.1 |
With means for re-entry of working fluid to blade set (e.g., re-entry type device, passage, etc.) |
29 |
| 415/6 |
Cyclically dipping, liquid retaining, elevating and discharging receptacle or conduit |
15 |
| 415/60 |
Plural runners supported for relative motion or on separate shafts |
78 |
| 415/7 |
Float supported or buoyant runner |
147 |
| 415/70 |
Runner has planetary motion or rotates around oblique or constantly moving axis |
14 |
| 415/71 |
Runner has spirally arranged blade or fluid passage |
39 |
| 415/76 |
Fluid flow between plural sinuous runner surfaces |
15 |
| 415/77 |
Axial flow runner with blades extending radially inward and outward from common annulus |
19 |
| 415/8 |
Driven, fluid immersed runner with vane in unconfined fluid stream (e.g., trolling plate, etc.) |
27 |
| 415/80 |
Motor runner motivated by reaction type jet discharge nozzle from internal working fluid conduit |
70 |
| 415/83 |
Runner with annular blade rows or fluid channels spaced on common radial plane |
14 |
| 415/88 |
Pump having rotating inlet end or scoop immersed in liquid |
62 |
| 415/89 |
Centrifugal bowl pump |
43 |
| 415/9 |
Including destructible, fusible, or deformable non-reusable part |
224 |
| 415/90 |
Smooth runner surface for working fluid frictional contact (e.g., unbladed runner, etc.) |
378 |
| 415/900 |
Rotary blood pump |
137 |
| 415/901 |
Drilled well-type pump |
53 |
| 415/902 |
Rotary pump turbine publications |
3 |
| 415/903 |
Well bit drive turbine |
50 |
| 415/904 |
Tool drive turbine (e.g., dental drill, etc.) |
81 |
| 415/905 |
Natural fluid current motor |
45 |
| 415/909 |
Air stack or shaft having natural fluid current motor |
30 |
| 415/91 |
Annular runner with inwardly projecting blade |
22 |
| 415/910 |
Reversible between pump and motor use |
73 |
| 415/911 |
Pump having reversible runner rotation and separate outlets for opposing directions of rotation |
22 |
| 415/912 |
Interchangeable parts to vary pumping capacity or size of pump |
70 |
| 415/913 |
Inlet and outlet with concentric portions |
15 |
| 415/914 |
Device to control boundary layer |
352 |
| 415/915 |
Pump or portion thereof by casting or molding |
46 |
| 415/916 |
Perpetual motion devices |
16 |
| 415/92 |
Motor runner having working fluid trapping pocket |
30 |
| 415/93 |
Axially opposed working fluid paths to or from runner (e.g., end balance, etc.) |
11 |
