IP Library › Granted Patent US 1,058,608
Granted Patent S1
US 1,058,608 · App. 29/909,521 · Granted Jan 21, 2025

Piston pump

Inventors: Takashi Nakatsuji (Kobe, JP); Takuya Shiozumi (Kobe, JP)
Assignee: CATERPILLAR INC.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 1,058,608
App. No.
29/909,521
Granted
Jan 21, 2025
Kind
S1
Claims (1)

The ornamental design for a piston pump, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2023
From: NAKATSUJI, TAKASHI; SHIOZUMI, TAKUYA
To: CATERPILLAR INC.
Reel/Frame 065044/0635 →
References Cited (32)
US D299143S · Hazlehurst · 1988 [cited by examiner]
US 4934253A · Berthold et al. · 1990 [cited by applicant]
US D372719S · Jensen · 1996 [cited by examiner]
US D466522S · Huang · 2002 [cited by examiner]
US D471561S · Kohsaka · 2003 [cited by examiner]
US D486835S · Hsiao · 2004 [cited by examiner]
US D517570S · Stiles, Jr. · 2006 [cited by examiner]
US D568340S · Stiles, Jr. · 2008 [cited by examiner]
US D573607S · Bulter · 2008 [cited by examiner]
US D590842S · Clark · 2009 [cited by examiner]
US D604745S · Sinico · 2009 [cited by examiner]
US D606562S · Stiles, Jr. · 2009 [cited by examiner]
US D800791S · Pin, III · 2017 [cited by examiner]
US 10018174B2 · Iida et al. · 2018 [cited by applicant]
US 10145367B2 · Ishikawa et al. · 2018 [cited by applicant]
US 10180141B2 · Huang · 2019 [cited by examiner]
US D844669S · Sinico · 2019 [cited by examiner]
US D844670S · Sinico · 2019 [cited by examiner]
US D867400S · Xiang · 2019 [cited by examiner]
US D884031S · Huang · 2020 [cited by examiner]
US D884032S · Huang · 2020 [cited by examiner]
US 11193504B1 · Mjelde · 2021 [cited by examiner]
US D943637S · Fujii · 2022 [cited by examiner]
US D944864S · Montipò · 2022 [cited by examiner]
US D946627S · Wang · 2022 [cited by examiner]
US D946629S · Mjelde · 2022 [cited by examiner]
US D948578S · Varini · 2022 [cited by examiner]
US D949205S · Headley · 2022 [cited by examiner]
US D966342S · Pedrollo · 2022 [cited by examiner]
US D971966S · Mjelde · 2022 [cited by examiner]
US D978916S · Kjær · 2023 [cited by examiner]
US D986289S · Mjelde · 2023 [cited by examiner]