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| Class 55 gas separation - continued |
|---|
| uspc | description |
| 55/498 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (497) edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag) (498) spiral or cylindrical |
| 55/499 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (497) edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag) (499) with additional transversely arranged members |
| 55/500 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (500) flexible sheet type maintained in nonplanar configuration |
| 55/501 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (501) with additional support means not positively engaged or joined to media (e.g., across face of filter) |
| 55/502 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (502) gasket or sealing means |
| 55/503 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (503) media within joinable or separable flow line sections |
| 55/504 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (504) aligned stop, media and removable retainer |
| 55/505 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (505) flow line end coupling (e.g., pipe end) |
| 55/506 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (505) flow line end coupling (e.g., pipe end) (506) flange or track on flow line for slidably retaining media |
| 55/507 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (505) flow line end coupling (e.g., pipe end) (507) resilient attaching means |
| 55/508 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (508) suspended or supported by bracket or from top of frame |
| 55/509 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (509) distorted media in flow line or resilient retaining means |
| 55/510 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (510) annular unit held between dished or plate-like end members for top and bottom support |
| 55/511 | 55 gas separation/(490) with means securing or retaining separating media (495) unit or cohesive sheet-like media in flow line or frame (511) edge supported or secured only |
| 55/512 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids |
| 55/513 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (513) resilient securing means |
| 55/514 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (514) fused or bonded to a supporting or backing member |
| 55/515 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (515) foraminous container |
| 55/516 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (516) held between openwork |
| 55/517 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (516) held between openwork (517) between telescoped or nonplanar retainers |
| 55/518 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (516) held between openwork (518) between perforated plates |
| 55/519 | 55 gas separation/(490) with means securing or retaining separating media (512) discrete fibrous or particulate solids (516) held between openwork (519) between reticulated end closures |
| 55/520 | 55 gas separation/(520) spiral filter media |
| 55/521 | 55 gas separation/(521) zigzag, corrugated, or conical |
| 55/522 | 55 gas separation/(522) specific media material |
| 55/523 | 55 gas separation/(522) specific media material (523) ceramic or sintered |
| 55/524 | 55 gas separation/(522) specific media material (524) with coating, impregnant, or bonding agent |
| 55/525 | 55 gas separation/(522) specific media material (525) metal mesh or expanded material |
| 55/526 | 55 gas separation/(522) specific media material (525) metal mesh or expanded material (526) wadded or compressed |
| 55/527 | 55 gas separation/(522) specific media material (527) fibrous or strand form |
| 55/528 | 55 gas separation/(522) specific media material (527) fibrous or strand form (528) organic (e.g., vegetable) |
| 55/529 | 55 gas separation/(529) miscellaneous (e.g., shapes) |