A61F 2/1672

With a two-stage plunger

Official title: {with a two-stage plunger, e.g. rotatable and pushable or rotatable at different speeds}

A61F2/1672 (With a two-stage plunger) appears on 93 US grants and 109 published applications in this corpus.

Search patents in A61F
Granted patents
93
Published applications
109
Assignees
25
Inventors
138
Latest grant
10 Mar 2026

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A61F 2/1672: granted patents and published applications per publication year
YearGranted patentsPublished applications
199010
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199700
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199900
200000
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201105
201224
201363
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2017713
201896
201965
202057
202128
202266
202377
2024119
2025116
202621

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.