Just hours after an International Trade Commission judge ruled in favor of Qualcomm in a patent infringement lawsuit with Apple, the Commission as a whole made the iPhone maker the winner in a separate dispute between the pair of companies.

This is a demonstration of how much acrimony there is between these two, who were once close allies.

Some iPhone models could soon be blocked from coming into the U.S. after a judge recently ruled that Apple infringed on Qualcomm’s patents.

ITC Judge MaryJoan McNamara found that iPhone infringes on one of three patents in Qualcomm’s case against Apple. She subsequently said she will recommend an import ban on iPhones, but a panel of judges could still save Apple.

Certain iPhone models have been barred for sale in China, but a similar ban in the U.S. isn’t totally out of the question. The U.S. International Trade Commission has said that it plans to review a previous ruling stating that a ban on iPhone imports was not in the interests of the general public — even in the event that Apple infringed on a Qualcomm patent.

Apple and Qualcomm have been battling it out for much of the past two years. They are scheduled to meet in court next April.

The ongoing fight between Apple and Qualcomm could result in an import ban on all new iPhones powered by Intel.

Qualcomm requested today that the U.S. International Trade Commission place a “limited exclusion order” on all iPhones that use Intel’s 4G wireless modem. iPhones powered by Qualcomm’s chip would be excluded from the ban.

The Apple-Ericsson confrontation continues to heat up. The U.S. International Trade Commission says it will investigate Apple, based on two complaints alleging that Cupertino illegally infringed on Ericsson patents.

Ericsson previously asked the ITC to block Apple products, such as the iPhone, from selling in the United States while the case is being investigated.

The Obama administration has vetoed a product ban on older Apple devices that was proposed by the U.S. International Trade Commission in June. Apple was found guilty of infringing a Samsung wireless patent, and the ITC declared a sales ban on iOS devices older than the iPhone 4S and third-gen iPad.

Trade Representative Michael Froman issued the veto for the executive branch today, marking the first time a presidential administration has vetoed a product ban by the ITC since 1987.

Thanks to Samsung and the International Trade Commission, Apple will be banned from importing the iPhone 4 and the iPad 2 into the United States from Sunday, August 4. The Cupertino company has been trying to fight the ban since it was confirmed last October, but it’s had little success.

Now it is seeing unlikely support from Microsoft, Intel, and Oracle, which all agree that the use of standards-essential patents to ban products should not be allowed.

Apple has asked the International Trade Commission to postpone an import ban on the iPhone 4 and the iPad 2 while a court considers its appeal. The ban is set to go into affect on August 5 — just under four weeks away — but Apple has argued that it will “sweep away an entire segment of Apple’s product offerings” and harm iPhone carrier partners.

Following a win by Samsung in the International Trade Court claiming that older Apple devices violate one of its patents, the ITC has issued an import ban on iPhone 4, iPhone 3, iPhone 3GS, iPad 3G and iPad 2 3G devices that run on the AT&T network.

Qualcomm, the company that manufactures Apple’s baseband chips for iOS devices, has slammed the Cupertino company in an official ITC filing over its response to questions regarding the availability of injunctive relief over SEPs and criteria for FRAND royalty rates.

Qualcomm says Apple’s thoughts on the subject are a “sham,” that the company “should be ashamed of itself.”