1. Rotary positive-displacement pump
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1. Rotary positive-displacement pump
1.1
1.2
1.3
1.4
1.5
1.6
1.7
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2550540 | Ebsary | Apr 1951 | A |
2775204 | Batten | Dec 1956 | A |
2836125 | Funk | May 1958 | A |
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D246976 | Bell | Jan 1978 | S |
D280727 | Rumbarger, Jr. | Sep 1985 | S |
6152719 | Nelik | Nov 2000 | A |
D613635 | Chu | Apr 2010 | S |
D650813 | Varini | Dec 2011 | S |
D668684 | Noguchi | Oct 2012 | S |
D695318 | Link | Dec 2013 | S |
D719192 | Schlenker | Dec 2014 | S |
D722083 | Soja | Feb 2015 | S |
D725153 | Berry | Mar 2015 | S |
D749138 | Martinez Sanudo | Feb 2016 | S |
D763322 | Haugaard | Aug 2016 | S |
D771148 | Soja | Nov 2016 | S |
D788178 | Theiss | May 2017 | S |
D789422 | Theiss | Jun 2017 | S |
D807924 | Wilkie | Jan 2018 | S |
D896845 | Kjaerulff | Sep 2020 | S |
D896846 | Kjaerulff | Sep 2020 | S |
D934917 | Butcher | Nov 2021 | S |
D949205 | Headley | Apr 2022 | S |
20130251581 | Christov | Sep 2013 | A1 |
Number | Date | Country |
---|---|---|
2429751 | Mar 2007 | GB |