Needleless injector

- Daicel Corporation
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Description

FIG. 1 is a front, top right perspective view of a needleless injector, showing our new design;

FIG. 2 is a rear bottom left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right view thereof; and,

FIG. 8 is a left view thereof.

Broken lines shown in FIGS. 2, 3, 4, 6 and 8 illustrate portions of the needleless injector, and form no part of the claimed design.

Claims

The ornamental design for a needleless injector as shown and described.

Referenced Cited
U.S. Patent Documents
D349958 August 23, 1994 Hollis
D611598 March 9, 2010 Tenger
D612487 March 23, 2010 Hunter
D613399 April 6, 2010 Hunter
D613861 April 13, 2010 Hunter
D632787 February 15, 2011 Tenger
D715930 October 21, 2014 Melsheimer
D830540 October 9, 2018 Rolfs
D931439 September 21, 2021 Morishita
D973202 December 20, 2022 Schuepbach
D984640 April 25, 2023 Suzuki
D998787 September 12, 2023 Marcoz
D1006219 November 28, 2023 Korec
D1039685 August 20, 2024 Morishita
D1071172 April 15, 2025 Ishikawa
D1072245 April 22, 2025 Marcoz
D1073938 May 6, 2025 Peterson
D1075002 May 13, 2025 Yang
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Foreign Patent Documents
3167428 December 2004 EP
2018025606 June 2019 JP
DM/242745 December 2024 WO
Other references
  • “How is Synapse Alpha injected if there is no needle? r/Starfield, ”The Crafty Slayer, [post date: Oct. 1, 2023], [Site seen: Oct. 1, 2025 ], UR:: https://www.reddit.com/r/Starfield/comments/1687fvc/how_is_synapse_alpha_injected_if_there_is_n (Year: 2023).
  • Jukito Sonoda, et al., “A Promising Needle-Free Pyro-Drive Jet Injector . . . ”, MPDI, [Post date:May 22, 2023], [Site seen: Oct. 1, 2025], URL: https://www.mdpi.com/1422-0067/24/10/9094 (Year: 2023).
  • Hiroshi Miyazaki, et al., “Development of Pyro-Drive Jet Injector With Controllable Jet Pressure”, [Post date: Jul. 1, 2019], [Site seen: Oct. 1, 2025], URL: https://jpharmsci.org/article/S0022-3549(19)30139-X/fulltext#fig1 (Year: 2019).
  • Needleless Injection Device and Jet Syringe Products, PharmaJet, [Post date: unknown], [Site seen: Oct. 1, 2025], URL: https://www.sourcehere.com/resource/8209 (Year: 2025).
Patent History
Patent number: D1139975
Type: Grant
Filed: Sep 17, 2024
Date of Patent: Aug 4, 2026
Assignee: Daicel Corporation (Osaka)
Inventors: Hidetoshi Ando (Tokyo), Katsuhiro Nakahashi (Tokyo), Yayoi Matsubara (Tokyo)
Primary Examiner: Lilyana Bekic
Assistant Examiner: Gilbert B Ford
Application Number: 29/963,365