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Serving leading biopharmaceutical companies globally:

Farmers Insurance
US Department of Justice
Boehringer Ingelheim
US Army

Generated: November 21, 2017

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Details for Patent: 5,911,851

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Summary for Patent: 5,911,851

Title: Atomizing nozzle and filter and spray generating device
Abstract:A nozzle assembly for use in atomizing and generating sprays from a fluid. The nozzle assembly includes two members joined together. In one of the two members are formed one or more nozzle outlets, one or more fluid inlets, and a plurality of channels that form filter passageways. The nozzle outlets discharge fluid jets that impinge on one another to thereby atomize the fluid. Alternatively, an impact element or a vortex-generating structure can be used in the nozzle outlet to atomize the fluid. Methods are also provided for producing the nozzle assembly by forming the inlets, outlets, and/or channels through electrical or chemical etching or other processes that selectively remove material from at least one face of a nozzle assembly member.
Inventor(s): Bartels; Frank (Waldbronn, DE), Bachtler; Wulf (Mainz, DE), Dunne; Stephen Terence (Suffolk, GB), Eicher; Joachim (Karlsruhe, DE), Freund; Bernhard (Gau-Algesheim, DE), Hart; William Barrie (Suffolk, GB), Lessmoellmann; Christoph (Gernsbach, DE)
Assignee: Boehringer Ingelheim International GmbH (DE)
Application Number:08/661,741
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 5,911,851

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9220505Sep 29, 1992
Germany4236037Oct 24, 1992
United Kingdom9314804Jul 19, 1993

International Patent Family for Patent: 5,911,851

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria183673► Subscribe
Austria312669► Subscribe
Austria421384► Subscribe
Australia4829993► Subscribe
Canada2145758► Subscribe
Canada2445256► Subscribe
Canada2475424► Subscribe
China1087843► Subscribe
China1093006► Subscribe
China1342524► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Queensland Health
Harvard Business School
Express Scripts
Farmers Insurance

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