1
William M Copa, Thomas J Vollstedt: Two-stage anaerobic/aerobic treatment process. Zimpro Passavant, Tipton L Randall, April 24, 1990: US04919815 (104 worldwide citation)

A two-stage process for purifying wastewater includes the steps of biophysical anaerobic treatment to remove the majority of the COD, followed by biophysical aerobic treatment to further purify the wastewater. A powdered adsorbent, preferably powdered activated carbon, is used with biological solids ...


2
Thomas S C Chiang: Premises entry security system. Tipton L Randall, March 21, 2006: US07015943 (92 worldwide citation)

The invention is directed to a door bell entry security system with video camera using removable flash memory with recording/playing and answering features, plus remote computer internet access of stored data. The audio and video signals from the doorbell entry unit are also accessible in real time. ...


3
John Piccirillo, John A Meidl: Multiple zone batch treatment process. Zimpro Passavant Environmental Systems, Tipton L Randall, March 9, 1993: US05192442 (89 worldwide citation)

A process is described for the operation of a multiple zone batch treatment system for biological or biophysical treatment of wastewater. The system comprises two or more batch treatment zones with wastewater passing sequentially through all treatment zones. After the mix and settle batch steps occu ...


4
Richard A Johnson: Safe gaming system. Tipton L Randall, October 7, 2003: US06629890 (71 worldwide citation)

A gaming control system applicable to all forms of gambling, electronic or otherwise, is disclosed. The system includes an Internet Web site, with associated control software, which is a portal that serves as a “safe gaming” interface between online gambling individuals and Internet-based gambling s ...


5
Natan Tomer: Parkulator photo parking. Tipton L Randall, June 5, 2001: US06243029 (66 worldwide citation)

The invention is a method of monitoring and assessing a fee for parking a vehicle in a toll parking location where the user pays only for the actual parking time used. The invention includes providing indicia for a toll parking location and unique indicia for a vehicle to be positioned in that parki ...


6
Julie K Gautsche: IV administration lines fastening and identification device. William E Gautsche Jr, Tipton L Randall, October 1, 2002: US06458104 (63 worldwide citation)

An intravenous administration lines fastening and identification device includes a hollow cylindrical fastening member of resilient, flexible material. The cylindrical member has a full length longitudinal slit aperture. A plurality of tube holding members of resilient, flexible material, each with ...


7
William M Copa, Richard W Lehmann: Two-stage subcritical-supercritical wet oxidation. Zimpro Passavant Environmental Systems, Tipton L Randall, August 31, 1993: US05240619 (57 worldwide citation)

A two-stage wet oxidation process for COD removal from high strength wastewater is disclosed. The wastewater stream is treated in a first stage subcritical wet oxidation zone at temperatures between about 250.degree. and 374.degree. C. to remove a substantial portion of the COD. Subsequently, all or ...


8
John A Meidl, Thomas J Vollstedt: Treatment of highly colored wastewaters. Zimpro Environmental, Tipton L Randall, April 12, 1994: US05302288 (55 worldwide citation)

The invention is a process for purifying wastewater containing organic and color-causing pollutants. The three unit processes include a first stage aerobic or anaerobic biophysical treatment, a second stage oxidizer treatment, and a third stage adsorbent contact treatment. The biophysical treatment ...


9
Winslow J Garnier Jr, Patricia J Bradley: Headwear with closable hair opening. Tipton L Randall, March 2, 1999: US05875494 (35 worldwide citation)

The invention is a baseball-type cap with a closable opening that extends down the crown seam at the back of the cap. The opening is held closed by means of snaps attached to the overlapping portions of material at the seam edges, and is opened by separating the snaps. The opening extends from the t ...


10
David S Wagner: Machine control device. Tipton L Randall, August 19, 2003: US06609082 (34 worldwide citation)

The present invention is directed to a control system device that forces a machine operator to comply with the regulation by not allowing the machine to operate until the maintenance log has been completed. By disabling the equipment, the control unit prevents an operator from starting or operating ...