IP Library › Granted Patent US 1,088,180
Granted Patent S1
US 1,088,180 · App. 29/818,392 · Granted Aug 12, 2025

Filtration media end cap with multiple threaded sectors

Inventors: Fabrizio Buratto (Ostiglia, IT); Alessandro Torresani (Ostiglia, IT)
Assignee: Donaldson Company, Inc.
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Quick Facts
Patent No.
US 1,088,180
App. No.
29/818,392
Granted
Aug 12, 2025
Kind
S1
Claims (1)

The ornamental design for a filtration media end cap with multiple threaded sectors, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 22, 2022
From: BURATTO, FABRIZIO; TORRESANI, ALESSANDRO
To: DONALDSON COMPANY, INC.
Reel/Frame 059675/0190 →
References Cited (40)
US 4743374A · Stifelman · 1988 [cited by examiner]
US D317965S · Svensson · 1991 [cited by examiner]
US 5593577A · Imai et al. · 1997 [cited by applicant]
US D412551S · Smith · 1999 [cited by examiner]
US 6387259B1 · Roll · 2002 [cited by applicant]
US 6595372B1 · Minowa et al. · 2003 [cited by applicant]
US 7232522B1 · Lasley et al. · 2007 [cited by applicant]
US 7237682B2 · Reynolds et al. · 2007 [cited by applicant]
US 7628837B2 · Ehrenberg · 2009 [cited by examiner]
US D646750S · Salvador · 2011 [cited by examiner]
US D646751S · Salvador · 2011 [cited by examiner]
US D648822S · Salvador · 2011 [cited by examiner]
US 8425773B2 · Bonta et al. · 2013 [cited by applicant]
US 9132367B2 · Honermann · 2015 [cited by examiner]
US 10307712B2 · Huda et al. · 2019 [cited by applicant]
US 10413851B2 · Wolhowe · 2019 [cited by examiner]
US D921836S · Miles · 2021 [cited by examiner]
US D935004S · Palermo · 2021 [cited by examiner]
US D1035825S · Yang · 2024 [cited by examiner]
US D1035826S · Yang · 2024 [cited by examiner]
US 20020166810A1 · LeBlanc · 2002 [cited by examiner]
US 20040018043A1 · Yu · 2004 [cited by applicant]
US 20050000886A1 · Reynolds et al. · 2005 [cited by applicant]
US 20060163148A1 · Hengsperger · 2006 [cited by examiner]
US 20110089104A1 · Menez et al. · 2011 [cited by applicant]
US 20130256206A1 · Thalmann et al. · 2013 [cited by applicant]
US 20150144549A1 · Kreibig · 2015 [cited by applicant]
US 20150343349A1 · Wells · 2015 [cited by examiner]
US 20170028322A1 · Piva et al. · 2017 [cited by applicant]
US 20170136412A1 · Huda et al. · 2017 [cited by applicant]
US 20170296951A1 · Ardes · 2017 [cited by applicant]
US 20190293033A1 · Varghese · 2019 [cited by examiner]
US 20210129050A1 · Joscher · 2021 [cited by examiner]
US 20210379514A1 · Massara · 2021 [cited by examiner]
DE 102013019807A1 · 2015 [cited by applicant]
WO 2019012425A1 · 2019 [cited by applicant]
Parker-Hydraulic Filter Strainer. Catalogue [Online]. Item # 798LK9. Grainger.com 2023. [Retrieved on Apr. 27, 2023]. Retrieved from the Internet: <URL:https://www.grainger.com/product/PARKER-STRAINER-ELEMENT-149W-25-gp… [cited by examiner]
International Patent Application No. PCT/US2021/036441 “Invitation to Pay Additional Fees, mailed Aug. 26, 2021”, 14 pgs. [cited by applicant]
International Patent Application No. PCT/US2021/036441 “International Search Report mailed Oct. 20, 2021”, 8 pgs. [cited by applicant]
Fabrizio Buratto, et al., U.S. Appl. No. 29/818,389 entitled “Filtration Media End Cap Having a Unitary Threaded Sector” filed Dec. 8, 2021, 16 pgs. [cited by applicant]