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A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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| Number | Title | Issue Date |
| 4165882 | Sealing means for slide gate An improved sealing means for use with a slide gate which is slidably mounted for opening and closing movement relative to a seat forming frame defining a fluid flow orifice. The sealing means comprises a resilient sealing member adapted to be received in... | 08/28/1979 |
| 4102136 | Pump system providing selective directional flow across fluid barrier A pump and pump manifolding system is disclosed for producing selected directional flow across a barrier, such as a levee, between at least a plurality of adjacent reservoirs such as shallow ponds. Typically, a housing which has at least two sidewalls is ... | 07/25/1978 |
| 4075851 | Penstocks A penstock comprising a frame having an opening therein and a door slidable within the frame across said opening to close same by vertical movement between fixed vertical guide members slidably engaging the side edge regions of said door, wherein at least... | 02/28/1978 |
| 4028896 | Sluice gate assembly A sluice gate assembly is disclosed which includes a single-flange cast frame, a pair of elongated grooved gate disc guides mounted on the frame, a gate disc slidably supported by the grooved gate disc guides for vertical movement between a raised open po... | 06/14/1977 |
| 4024717 | Folding aluminum rice and irrigation box A hinged, folding box-shaped device for controlling the water flow between fields, such as rice fields, including crop fields, divided into separate specific areas by dirt comprised checks, levees, and ditches. The box has a generally rectangular configur... | 05/24/1977 |
| 3996750 | Flat throttling gate A flat throttling gate for bulb-type turbines and the like which is installed in a draft tube of the turbine. The gate has a central cutout of arcuate configuration flanked by a pair of ramps which cam a pair of masks into respective chambers flanking the... | 12/14/1976 |
| 3953978 | Combined drain and flood gate A combined drain and flood gate employed in irrigation and flood control systems and installed in a levee, bank, dam or the like separating two adjacent land areas for controlling water flow from one area to the other to maintain one area at a predetermin... | 05/04/1976 |
