Patent ID: 7797789

Claim:
A mobile vacuum apparatus for collection of liquid or semi-liquid materials, the apparatus comprising: a) a frame having a front and rear; b) a set of wheels mounted under the frame; c) a vacuum tank for receiving collected liquid or semi-liquid materials, the vacuum tank having a vacuum inlet in a front wall thereof and two or more vacuum outlets in fluid communication with one another spaced apart along a top thereof; d) a collection means comprising a scraping element mounted under the front of the frame, the collection means in fluid communication with the vacuum inlet; e) a discharge outlet at a rear of the tank; and, f) a blower vac selectively capable of either drawing air from the vacuum tank through the vacuum outlets to thereby create a vacuum in the tank or blowing air into the vacuum tank through the vacuum outlets to thereby expel the collected liquid or semi-liquid materials therefrom under pressure through the discharge outlet.