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Patrick J Lien, 32Chesapeake, VA

Related to:
Connor Mcclain Lien 31 Jeffrey W Deluca 28 Sharon D Alexander 58

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Chesapeake, VA   

Annapolis, MD   

Windermere, FL   

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Patrick Lien

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Patrick Lien

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Professional

Location:
United States
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Patrick Lien

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United States
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Patrick Lien

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United States

Publications & IP owners

Us Patents

Vacuum Waste Pipe Cleaning

US Patent:
5873944, Feb 23, 1999
Filed:
May 13, 1997
Appl. No.:
8/854929
Inventors:
Patrick Eugene Lien - Virginia Beach VA
Jerome H. Ludwig - Paradise Valley AZ
Assignee:
H.E.R.C. Products Incorporated - Phoenix AZ
International Classification:
B08B 504
B08B 704
B08B 903
B08B 906
US Classification:
134 10
Abstract:
A method of and system for removing blockage from pipes in vacuum waste systems in which fouled pipes in the existing vacuum waste system are configured into a closed loop. A cleaning solution is added to the loop. The cleaning solution is recirculated through the loop by pumping it to the ends of the fouled pipes and drawing it through the fouled pipes using the existing system vacuum equipment. The vacuum waste system may remain operational during cleaning.

Possible Relatives

David A Lien  Dean R Lien  Dale G Lien  Dan V Lien  Daniel B Lien  Aaron M Lien  Delores Lien  Patrick F Johnson  Patrick S Stamps  Patrick K Stancil 

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