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公开(公告)号：US20240003447A1
公开(公告)日：2024-01-04
申请号：US18039350
申请日：2021-12-17
发明人： Jeffery T. Widdel , Jacob L. Sanders , Aflal Rahmathullah , Alexandra M. Boyat , Matthew P. Goertz , Mikayla A. Yoder , David D. Lauer , Davis B. Moravec , Anil Suthar
摘要： A vent assembly having a housing (106) defining a cavity (202), a first end (102) and a second end (104), where the second end includes a coupling structure (108). The first end defines a window (110) in fluid communication with the cavity, wherein the window has a window perimeter. The vent assembly includes a vent media (206) spanning the cavity of the housing, where the vent media is breathable and forms a watertight seal to the housing at a perimeter of the vent media. The first end includes a screen structure (300) within the window perimeter of the window that can include repeating structures defining open areas.
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公开(公告)号：US20240181433A1
公开(公告)日：2024-06-06
申请号：US18527018
申请日：2023-12-01
发明人： Shane Lawson , Davis B. Moravec , Yehya A. Elsayed , Anil Suthar
CPC分类号： B01J20/321 , B01D53/8675 , B01J20/0222 , B01J20/0237 , B01J20/3293 , B01J23/34 , B01J23/72 , B01J31/06 , B01D2255/2065 , B01D2255/2073 , B01D2255/20761 , B01J2220/46
摘要： Compositions including a matrix, methods of making such compositions, structures including such compositions, methods of disposing such compositions on a substrate; wherein the matrix includes: a plurality of polytetrafluroethylene fibrils formed from PTFE resin and a plurality of active particles.
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公开(公告)号：US20240042395A1
公开(公告)日：2024-02-08
申请号：US18266496
申请日：2022-04-01
发明人： Mikayla A. Yoder , Davis B. Moravec , Christopher P. Conklin , Matthew P. Goertz , Stephen K. Sontag , Anil Suthar , Stuti S. Rajgarhia , Alexandra M. Boyat , Andrew J. Dallas
CPC分类号： B01D71/36 , B01D67/0088 , B01D2325/08 , B01D2325/0283
摘要： A filter media comprises a layer of porous material having a patterned outer surface comprising a plurality of structures. Each structure in the plurality has at least a predetermined height based on an expected contaminant and spacing between each structure in a pair of structures in the plurality is at most a predetermined spacing based on the expected contaminant.
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公开(公告)号：US20240001279A1
公开(公告)日：2024-01-04
申请号：US18039121
申请日：2021-12-17
发明人： David D. Lauer , Mikayla A. Yoder , Matthew P. Goertz , Robert P. McCollam , Erik P. Anderson , Brian R. Tucker , Erik J. Perry , Davis B. Moravec , Anil Suthar
CPC分类号： B01D46/523 , B01D46/2414
摘要： Embodiments herein relate to end caps and pleat guides for filter assemblies. In an embodiment, a filter assembly component is included having an end cap that can include a pleat guide channel disposed about a circumference of the end cap. The pleat guide channel can include a repeating pattern that can include a plurality of peaks and a plurality of valleys distributed about the circumference of the end cap. The pleat guide channel can be configured to receive and mechanically support a pleated filter media within the pleat guide channel. Other embodiments are also included herein.
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公开(公告)号：US20240181439A1
公开(公告)日：2024-06-06
申请号：US18527047
申请日：2023-12-01
发明人： Shane Lawson , Stephen K. Sontag , Yehya A. Elsayed , Anil Suthar
CPC分类号： B01J37/0219 , B01J20/261 , B01J20/28023 , B01J20/3295 , B01J31/06 , B01J37/0072 , B01J37/0236 , B01J35/657
摘要： Porous substrates comprising a composition disposed thereon and methods of disposing a composition on porous substrates. The composition includes a matrix. The matrix includes a plurality of polytetrafluroethylene fibrils and a plurality of active particles.
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公开(公告)号：US20230130119A1
公开(公告)日：2023-04-27
申请号：US17973657
申请日：2022-10-26
发明人： David D. Lauer , Steve M. Kruger , Shane Lawson , Daniel E. Adamek , Davis B. Moravec , Anil Suthar
摘要： A filter assembly has a housing defining an inlet and an outlet. A plurality of chemical filter elements are disposed in the housing and are arranged in a series with respect to fluid flow. A spacing region is between adjacent filter elements in the series. Also disclosed is an assembly having a housing and a first and second chemical filter element. The second chemical filter element is downstream of the first chemical filter element. Each chemical filter element has a sheet of chemical filter material having a first edge and a second edge. A first flow path is defined parallel to a surface of the first sheet extending from its first edge to its second edge. A second flow path is defined parallel to a surface of the second sheet extending from its first edge to its second edge.
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公开(公告)号：US20230124690A1
公开(公告)日：2023-04-20
申请号：US17911612
申请日：2021-03-24
发明人： Rakesh K. Yadav , Daniel L. Tuma , Robert R. Levac , Byron G. Griffin , Jonathan M. Beckett , Anil Suthar , Robert J. Pannepacker, Jr.
摘要： Filtration media packs, filter elements, and media are disclosed, including media packs having a plurality of layers of single facer media wherein the layers of single facer media include a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet, with the fluted sheet and facing sheet formed of multi-layer media can include a polytetrafluoroethylene (PTFE) layer supported by a polymeric scrim layer.
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公开(公告)号：US20220062806A1
公开(公告)日：2022-03-03
申请号：US17414908
申请日：2019-12-16
摘要： A porous polytetrafluoroethylene (PTFE) membrane including a nonwoven web having a microstructure of substantially only microfibrils fused at crossover points, said membrane having a percent balance of orthogonal dimensions that is within 10%.
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