Patent ID: 8191202

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 (i) a vacuum inlet in a front wall thereof and (ii) two or more vacuum outlets spaced apart along a top thereof and in fluid communication with one another through a structure on an outside of the tank; d) collection structure comprising a scraping element mounted under the front of the frame, the collection structure in fluid communication with the vacuum inlet; e) a discharge outlet at a rear of the tank; and, f) a blower vac selectively (i) drawing air from the vacuum tank through the two or more vacuum outlets to thereby create a vacuum in the tank, or (ii) blowing air into the vacuum tank through the two or more vacuum outlets to thereby expel the collected liquid or semi-liquid materials therefrom under pressure through the discharge outlet.